Asteroids

242191 2003NZ6 help

Last update: 2024-05-08 15:35 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.403

Aphelion (Q)

1.184

Eccentricity (e)

0.492

Inclination (i)

18.2

deg

Orbit period (P)

258.1

Earth MOID

0.06581

U parameter

0.6

A₂

25.8

10^-15au/days²

Next Earth close approach

Date

2027-07-17

Nominal distance (from Earth center)

0.14199

21240756

Maximum Brightness

17.6

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

370

Taxonomic type

Rotation period (T)

13.53

Discovery Information

Discovery Date

2003-07-09

Observatory

Lincoln Laboratory ETS, New Mexico

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

0.793396

1-sigma variation

3.928E-9

Unit

Eccentricity (e)

Value

0.492354

1-sigma variation

4.091E-8

Unit

Inclination (i)

Value

18.2459

1-sigma variation

7.143E-6

Unit

Long. of Ascending Node (Ω)

Value

124.5851

1-sigma variation

1.124E-5

Unit

Arg. of Perihelion (ω)

Value

311.6147

1-sigma variation

1.159E-5

Unit

Mean Anomaly (M)

Value

15.13660

1-sigma variation

0.00002

Unit

Perihelion distance

Value

0.402764

1-sigma variation

Unit

Aphelion distance

Value

1.184028

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.530995

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.122129

1-sigma variation

Unit

MOID

Value

0.065815

1-sigma variation

Unit

Orbit Period

Value

258.1270

1-sigma variation

Unit

U parameter

Value

0.6

1-sigma variation

Unit

A₂

Value

25.83281

1-sigma variation

4.40864

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	1.54317E-17	6.64172E-17	1.85227E-15	4.71831E-15	-5.80473E-15	-7.69429E-14	1.72183E-8
e	6.64172E-17	1.67383E-15	1.34069E-14	-2.63350E-14	4.62192E-14	-2.21556E-13	7.20087E-8
i	1.85227E-15	1.34069E-14	5.10251E-11	-5.83385E-11	5.51165E-11	-1.80865E-11	2.25707E-6
Ω	4.71831E-15	-2.63350E-14	-5.83385E-11	1.26359E-10	-1.24520E-10	1.24125E-11	6.40059E-6
ω	-5.80473E-15	4.62192E-14	5.51165E-11	-1.24520E-10	1.34260E-10	-3.33480E-11	-8.30831E-6
M	-7.69429E-14	-2.21556E-13	-1.80865E-11	1.24125E-11	-3.33480E-11	4.84903E-10	-8.33426E-5
A₂	1.72183E-8	7.20087E-8	2.25707E-6	6.40059E-6	-8.30831E-6	-8.33426E-5	1.94361E1

Date of computation: 2024-04-23 10:08 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

13.53

Unit

Source

[1]

Quality

Value

Unit

Source

[1]

Amplitude

Value

1.19

Unit

mag

Source

[1]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

18.992

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.334

Unit

Source

[3]

Diameter

Value

370

Unit

Source

[3]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[4]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Warner, B.D. (2016) MPB 43, 66-79. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2015 JUNE-SEPTEMBER)(36 NEAs) 2.) Polishook, D. et al. (2005) ACM2005-Abstr, p. 60-61. (photometry of Atens) ((86450) 2000 CK33, (86667)2000 FO10, (85989) 1999JD6,2002CQ11 )
[2]	ESA ODIM	ESA orbit determination and impact monitoring system
[3]	EARN	1.) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs) 2.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.
[4]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

6958

Unit

Source

[1]

Unobserved

Value

651

Unit

Source

[1]

Normalized RMS of residuals

Value

0.397302

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2003-07-09.32246

Unit

Source

[2]

Last Observation

Value

2022-07-27.558079

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

627 (1)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2015-07-21

Unit

Source

[3]

Last Observation

Value

2015-07-22

Unit

Source

[3]

Delay (Discarded)

Value

2 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

3 (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 242191 2003NZ6 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	1950-07-18 03:14	5.2	0.0749994	0.0745528	0.0001507
EARTH	1962-07-18 02:48	6.3	0.1185725	0.1178729	0.0002335
EARTH	1974-07-14 22:12	14.7	0.1814849	0.1810771	0.0001359
VENUS	1977-06-23 23:17	6.7	0.0401296	0.0399227	0.0000698
EARTH	1979-07-14 11:33	6.0	0.1421772	0.1418502	0.0001090
EARTH	1991-07-16 13:18	2.3	0.0911137	0.0909979	0.0000386
VENUS	1996-07-20 13:11	1.3	0.0408191	0.0407702	0.0000163
EARTH	2003-07-17 23:27	< 1 min	0.0665326	0.0665299	0.0000009
EARTH	2015-07-18 17:53	< 1 s	0.0833297	0.0833295	0.0000001
EARTH	2027-07-17 19:13	< 1 min	0.1419857	0.1419638	0.0000073
EARTH	2032-07-12 07:48	< 1 min	0.1830916	0.1830414	0.0000167
EARTH	2044-07-14 23:52	2.3	0.1158418	0.1157184	0.0000411
VENUS	2048-11-03 15:51	3.0	0.0380915	0.0380801	0.0000041
EARTH	2056-07-16 22:07	4.8	0.0712229	0.0710562	0.0000559
EARTH	2068-07-18 00:00	4.5	0.0708945	0.0705734	0.0001083
EARTH	2080-07-17 19:39	12.3	0.1216181	0.1205032	0.0003722
EARTH	2092-07-14 08:11	48.5	0.1843808	0.1831224	0.0004195
EARTH	2097-07-14 20:34	24.4	0.1310406	0.1297080	0.0004449
VENUS	2101-02-19 01:42	23.1	0.0391142	0.0390864	0.0000232
EARTH	2109-07-18 01:17	28.9	0.0764209	0.0751562	0.0004299
EARTH	2121-07-19 07:39	21.8	0.0667004	0.0657709	0.0003355

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