Asteroids

175706 1996FG3 help

Last update: 2024-05-20 14:31 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.686

Aphelion (Q)

1.424

Eccentricity (e)

0.350

Inclination (i)

2.0

deg

Orbit period (P)

395.8

Earth MOID

0.02813

U parameter

0.0

A₂

-12.0

10^-15au/days²

Next Earth close approach

Date

2024-11-25

Nominal distance (from Earth center)

0.18002

26930868

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

18.3

mag

Diameter

1830

Taxonomic type

C/Ch

Rotation period (T)

3.584

Discovery Information

Discovery Date

1996-03-24

Observatory

Siding Spring Observatory

Orbit Visualiser

Click the button to start Orbit Visualiser

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.054945

1-sigma variation

9.458E-10

Unit

Eccentricity (e)

Value

0.350104

1-sigma variation

7.296E-9

Unit

Inclination (i)

Value

1.9722

1-sigma variation

1.143E-6

Unit

Long. of Ascending Node (Ω)

Value

299.5047

1-sigma variation

4.950E-5

Unit

Arg. of Perihelion (ω)

Value

24.0614

1-sigma variation

4.919E-5

Unit

Mean Anomaly (M)

Value

210.79923

1-sigma variation

2.732E-6

Unit

Perihelion distance

Value

0.685604

1-sigma variation

Unit

Aphelion distance

Value

1.424285

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.314563

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.377669

1-sigma variation

Unit

MOID

Value

0.028134

1-sigma variation

Unit

Orbit Period

Value

395.7701

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

A₂

Value

-12.04939

1-sigma variation

1.37483

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	8.94601E-19	-1.15622E-18	2.65885E-17	3.49825E-14	-3.48439E-14	3.14416E-16	-1.73247E-11
e	-1.15622E-18	5.32315E-17	-5.46305E-15	-1.05468E-13	1.02211E-13	1.47450E-14	-4.47323E-9
i	2.65885E-17	-5.46305E-15	1.30672E-12	4.95017E-12	-4.89032E-12	-1.36195E-12	3.82030E-7
Ω	3.49825E-14	-1.05468E-13	4.95017E-12	2.44980E-9	-2.43434E-9	-4.82040E-11	1.28430E-6
ω	-3.48439E-14	1.02211E-13	-4.89032E-12	-2.43434E-9	2.41926E-9	4.70157E-11	-1.00029E-6
M	3.14416E-16	1.47450E-14	-1.36195E-12	-4.82040E-11	4.70157E-11	7.46517E-12	-2.46018E-6
A₂	-1.73247E-11	-4.47323E-9	3.82030E-7	1.28430E-6	-1.00029E-6	-2.46018E-6	1.89015E0

Date of computation: 2024-04-23 11:53 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

3.594

3.584

Unit

Source

[5]

[1]

Quality

Value

3,B

Unit

Source

[5]

Amplitude

Value

0.08

0.15

Unit

mag

Source

[5]

[1]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

188

Unit

Source

[1]

Spinvector B

Value

-7

Unit

Source

[1]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

C/Ch

Unit

Source

[3]

Taxonomy (all)

Value

Xc;B;Ch

Unit

Source

[4]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

18.327

17.833

Unit

mag

Source

[6]

[7]

Slope Parameter (G)

Value

0.15**

-0.041

Unit

mag

Source

[6]

[7]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.039

Unit

Source

[8]

Diameter

Value

1830

Unit

Source

[9]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.38

0.7

Unit

V-R

B-V

Source

[10]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Visual S

Unit

Source

[11]

[12]

Satellites

Satellites

Value

Unit

Source

Satellites

Value

Binary Child 1

Unit

Source

[13]

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Sources

No.	Name	Additional
[1]	EARN	1.) Lowell Observatory Near-Earth Asteroid Photometric Survey (NEAPS): Paper 4. Skiff, Brian A et al.
[2]	EARN	1.) Scheirich P. & P. Pravec (2009) Icarus 200, 531-547. (Modeling of lightcurves of binary asteroids) (175706,65803, 66391,185851,66063) 2.) Yu, L. et al. (2014) MNRAS 439, 3357-3370. (Shape, Thermal and Surface Properties determination of a Candidate Spacecraft Target Asteroid (175706) 1996 FG3)
[3]	EARN	1.) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)
[4]	EARN	1.) Perna, D. et al. (2013) Astron. Astrophys. 555, A62. (Ultraviolet to near-infrared spectroscopy of the potentially hazardous, low delta-V asteroid (175706) 1996 FG3) 2.) Walsh, K.J. et al. (2012) Astrophys. J. 748, 104. (PHYSICAL CHARACTERIZATION AND ORIGIN OF BINARY NEAR-EARTH ASTEROID (175706) 1996 FG3) 3.) Thomas, C.A. et al. (2011) Astron. J. 142, 85. (ExploreNEOs. V. AVERAGE ALBEDO BY TAXONOMIC COMPLEX IN THE NEAR-EARTH ASTEROID POPULATION) (new albedos data for 118 NEOs) 4.) Somers, J.M. et al. (2010) DPS 42, 1316. (abstract) (Optical Characterization Of Planetary Radar Targets, Low-deltaV, And Potentially Hazardous Asteroids: Results From 2009-2010) 5.) Bus, S.J. & Binzel, R.P. (2002) Icarus 158,106-145. (Phase II of the Small Main-Belt Asteroid Spectrographic Survey: A Feature-Based Taxonomy.) 6.) Whiteley, R.J. (2001) PhD. Thesis, University of Hawaii. (A Compositional and Dynamical Survey of the Near-Earth Asteroids) 7.) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)
[5]	EARN	1.) Mottola, S. & F. Lahulla (1998) I.A.U. Circ. HREF="http://www.cbat.eps.harvard.edu/iauc/07000/07069.html"> 7069. (1996 FG3 - complex rotation) 2.) Pravec, P. et al. (1998) I.A.U. Circ. HREF="http://www.cbat.eps.harvard.edu/iauc/07000/07074.html"> 7074. (1996 FG3 - binary asteroid) 3.) Pravec, P. et al. (2000) Icarus 146, 190-203. (Two-period lightcurves of 1996 FG3, 1998 PG and (5407) 1992 AX: One probable and two possible binary asteroids.) 4.) Mottola, S. & F. Lahulla (2000) Icarus 146, 556-567. (Mutual eclipse events in asteroidal binary system 1996 FG3: observations and a numerical model) 5.) Pravec, P. et al. (2006) Icarus 181, 63-93. (Photometric survey of binary near-Earth asteroids) 6.) Yu, L. et al. (2014) MNRAS 439, 3357-3370. (Shape, Thermal and Surface Properties determination of a Candidate Spacecraft Target Asteroid (175706) 1996 FG3) 7.) Koehn, B.W. et al. (2014) MPB 41, 286-300. (LOWELL OBSERVATORY NEAR-EARTH ASTEROID PHOTOMETRIC SURVEY (NEAPS) - 2009 JANUARY THROUGH 2009 JUNE) (433,1943,3554,5011,5604, 5620,5693,8566,14402,16834,22753,35107,52768,68350,85867, 138883,141052,143651,154244,161989,162385,163758,175706, 194386,203217,207945,208023,212546,256412,2001FE90,2004LV3, 2005BC,2005SG19,2008QT3,2008WL60,2009DE47,2009DO111,2009EP2, 2009FD,2009JM2) 8.) Pravec, P. et al (2016) Icarus 267,267-295. (Binary asteroid population. 3. Secondary rotations and elongations) (..,..)
[6]	ESA ODIM	ESA orbit determination and impact monitoring system
[7]	EARN	1.) Wolters, S.D. et al. (2011) MNRAS 418, 1246-1257. (Physical Characterisation of low delta-V asteroid (175706) 1996 FG3) 2.) Pravec, P. et al. (2012) Icarus 221, 365-387 (Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations)
[8]	EARN	1.) Walsh, K.J. et al. (2012) Astrophys. J. 748, 104. (PHYSICAL CHARACTERIZATION AND ORIGIN OF BINARY NEAR-EARTH ASTEROID (175706) 1996 FG3) 2.) Wolters, S.D. et al. (2011) MNRAS 418, 1246-1257. (Physical Characterisation of low delta-V asteroid (175706) 1996 FG3) 3.) Thomas, C.A. et al. (2011) Astron. J. 142, 85. (ExploreNEOs. V. AVERAGE ALBEDO BY TAXONOMIC COMPLEX IN THE NEAR-EARTH ASTEROID POPULATION) (new albedos data for 118 NEOs) 4.) Yu, L. et al. (2014) MNRAS 439, 3357-3370. (Shape, Thermal and Surface Properties determination of a Candidate Spacecraft Target Asteroid (175706) 1996 FG3) 5.) Mueller, M. et al. (2011) Astron. J. 141, 109. (ExploreNEOs. III. PHYSICAL CHARACTERIZATION OF 65 POTENTIAL SPACECRAFT TARGET ASTEROIDS) 6.) Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; et al. (2012) Astrophys. J. Let. 760, L12.
[9]	EARN	1.) Walsh, K.J. et al. (2012) Astrophys. J. 748, 104. (PHYSICAL CHARACTERIZATION AND ORIGIN OF BINARY NEAR-EARTH ASTEROID (175706) 1996 FG3) 2.) Wolters, S.D. et al. (2011) MNRAS 418, 1246-1257. (Physical Characterisation of low delta-V asteroid (175706) 1996 FG3) 3.) Mueller, M. et al. (2011) Astron. J. 141, 109. (ExploreNEOs. III. PHYSICAL CHARACTERIZATION OF 65 POTENTIAL SPACECRAFT TARGET ASTEROIDS) 4.) Binzel, R.P. et al. (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 255-271. (Physical Properties of NEOs) 5.) Yu, L. et al. (2014) MNRAS 439, 3357-3370. (Shape, Thermal and Surface Properties determination of a Candidate Spacecraft Target Asteroid (175706) 1996 FG3) 6.) Mueller, M. et al. (2011) Astron. J. 141, 109. (ExploreNEOs. III. PHYSICAL CHARACTERIZATION OF 65 POTENTIAL SPACECRAFT TARGET ASTEROIDS) 7.) Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; et al. (2012) Astrophys. J. Let. 760, L12.
[10]	EARN	1.) Pravec, P. et al. (2000) Icarus 146, 190-203. (Two-period lightcurves of 1996 FG3, 1998 PG and (5407) 1992 AX: One probable and two possible binary asteroids.)
[11]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage 2.) Benner, L.A.M. et al. (2012) ACM2012, 6403. (ARECIBO AND GOLDSTONE RADAR OBSERVATIONS OF BINARY NEAR-EARTH ASTEROID AND MARCO POLO-R MISSION TARGET (175706) 1996 FG3) 3.) Benner, L.A.M. et al. (2012) DPS 44 102-06. (abstract) (Arecibo and Goldstone Radar Observations of Binary Near-Earth Asteroid and Marco Polo-R Mission Target (175706) 1996 FG3)
[12]	EARN	1.) Binzel, R.P. et al. (2001) Icarus 151,139-149. (Spectral Properties of Near-Earth Objects: Palomar and IRTF Results for 48 Objects Including Spacecraft Targets (9969) Braille and (10302) 1989 ML) 2.) Perna, D. et al. (2013) Astron. Astrophys. 555, A62. (Ultraviolet to near-infrared spectroscopy of the potentially hazardous, low delta-V asteroid (175706) 1996 FG3) 3.) deLeon, J. et al. (2013) Astron. Astophys. 556, A33. (Additional spectra of asteroid 1996 FG3, backup target of the ESA MarcoPolo-R mission)
[13]	EARN	Earth Asteroids Research Node: https://earn.dlr.de

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

13993

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.41331

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1985-12-17.33646

Unit

Source

[2]

Last Observation

Value

2024-04-09.308895

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

2688 (6)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2011-11-06

Unit

Source

[3]

Last Observation

Value

2011-12-17

Unit

Source

[3]

Delay (Discarded)

Value

6 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

7 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close approaches for 175706 1996FG3 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1956-04-22 11:23	1.6	0.1833279	0.1832492	0.0000262
EARTH	1959-11-30 22:48	< 1 min	0.1162946	0.1162641	0.0000102
VENUS	1965-02-06 09:50	3.2	0.0168804	0.0168395	0.0000136
EARTH	1969-04-22 18:39	1.1	0.1851503	0.1850897	0.0000202
EARTH	1972-11-28 05:48	1.3	0.0615282	0.0614672	0.0000203
EARTH	1985-11-26 15:20	< 1 min	0.0293135	0.0293097	0.0000013
EARTH	1998-11-25 18:25	< 1 min	0.0384493	0.0384395	0.0000033
EARTH	2009-05-06 09:08	< 1 s	0.1560835	0.1560802	0.0000011
EARTH	2011-11-23 15:42	< 1 min	0.1014239	0.1014220	0.0000006
EARTH	2022-05-03 21:51	< 1 s	0.0783159	0.0783153	0.0000002
VENUS	2023-07-24 21:23	< 1 min	0.0264496	0.0264487	0.0000003
EARTH	2024-11-25 16:27	< 1 min	0.1800217	0.1800203	0.0000005
EARTH	2035-05-05 10:14	< 1 min	0.1060494	0.1060412	0.0000027
EARTH	2037-11-22 04:56	< 1 min	0.1287644	0.1287532	0.0000037
VENUS	2046-05-02 19:46	2.9	0.0395073	0.0394910	0.0000054
EARTH	2048-05-05 22:07	< 1 min	0.1747071	0.1746900	0.0000057
EARTH	2050-11-24 14:28	< 1 min	0.0564631	0.0564500	0.0000043
EARTH	2063-11-28 23:58	< 1 min	0.0616333	0.0616263	0.0000023
EARTH	2073-04-24 14:47	< 1 s	0.1543229	0.1543212	0.0000006
EARTH	2076-12-02 11:21	< 1 min	0.1558156	0.1558120	0.0000012
EARTH	2086-04-29 11:17	< 1 min	0.0569716	0.0569566	0.0000050
VENUS	2087-07-22 23:15	3.0	0.0432095	0.0431941	0.0000052
EARTH	2099-05-04 03:08	< 1 min	0.0661142	0.0661085	0.0000019
EARTH	2101-11-24 01:21	< 1 min	0.1592873	0.1592820	0.0000018
VENUS	2105-12-24 04:43	< 1 min	0.0284209	0.0284195	0.0000005
EARTH	2112-05-06 22:38	< 1 min	0.1308214	0.1308174	0.0000013
EARTH	2114-11-24 06:19	< 1 min	0.1156817	0.1156780	0.0000012

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