Asteroids

345722 2007BG29 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.554

Aphelion (Q)

1.111

Eccentricity (e)

0.335

Inclination (i)

18.5

deg

Orbit period (P)

277.5

Earth MOID

0.08748

U parameter

0.3

Next Earth close approach

Date

2034-11-29

Nominal distance (from Earth center)

0.17657

26414687

Maximum Brightness

17.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

18.2

mag

Diameter

653

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2007-01-21

Observatory

Lincoln Laboratory ETS, New Mexico

ORBIT VISUALISATION TOOLS

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.832637

1-sigma variation

2.313E-9

Unit

Eccentricity (e)

Value

0.334693

1-sigma variation

9.293E-8

Unit

Inclination (i)

Value

18.5092

1-sigma variation

1.323E-5

Unit

Long. of Ascending Node (Ω)

Value

60.9494

1-sigma variation

3.248E-5

Unit

Arg. of Perihelion (ω)

Value

245.1470

1-sigma variation

3.148E-5

Unit

Mean Anomaly (M)

Value

140.86819

1-sigma variation

0.00003

Unit

Perihelion distance

Value

0.553959

1-sigma variation

Unit

Aphelion distance

Value

1.111315

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.127194

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.365699

1-sigma variation

Unit

MOID

Value

0.087479

1-sigma variation

Unit

Orbit Period

Value

277.5123

1-sigma variation

Unit

U parameter

Value

0.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.35117E-18	7.98499E-17	7.58636E-15	-1.09842E-14	3.01046E-15	-4.50959E-14
e	7.98499E-17	8.63613E-15	1.91903E-13	-7.45324E-14	2.05909E-13	-1.98322E-12
i	7.58636E-15	1.91903E-13	1.75053E-10	2.82953E-10	-2.65882E-10	-8.53042E-11
Ω	-1.09842E-14	-7.45324E-14	2.82953E-10	1.05525E-9	-8.69687E-10	-2.56679E-11
ω	3.01046E-15	2.05909E-13	-2.65882E-10	-8.69687E-10	9.90978E-10	-3.39707E-10
M	-4.50959E-14	-1.98322E-12	-8.53042E-11	-2.56679E-11	-3.39707E-10	1.15493E-9

Date of computation: 2025-09-10 00:30 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

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

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

18.186

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.258

Unit

Source

[2]

Diameter

Value

653

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.99

0.651

0.448

Unit

B-V

V-R

R-I

Source

[3]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[4]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	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.
[3]	EARN	1.) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)
[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

6623

Unit

Source

[1]

Unobserved

Value

199

Unit

Source

[1]

Normalized RMS of residuals

Value

0.503325

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2007-01-21.46158

Unit

Source

[2]

Last Observation

Value

2025-03-10.151376

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

349 (5)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2015-11-29

Unit

Source

[3]

Last Observation

Value

2015-11-29

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

1 (0)

Unit

Source

[1]

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

Sources

No.	Name	Additional
[1]	ESA Aegis	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 345722 2007BG29 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1958-12-02 18:52	< 1 min	0.0986537	0.0986528	0.0000003
EARTH	1977-12-03 06:32	< 1 min	0.0913150	0.0913144	0.0000002
EARTH	1996-12-02 02:47	< 1 min	0.1038582	0.1038574	0.0000002
EARTH	1999-12-12 09:40	< 1 min	0.1978079	0.1978069	0.0000004
EARTH	2015-12-01 03:49	< 1 min	0.1389831	0.1389830	0.0000000
EARTH	2018-12-09 22:55	< 1 min	0.1521520	0.1521516	0.0000001
EARTH	2034-11-29 16:52	< 1 min	0.1765713	0.1765701	0.0000004
EARTH	2037-12-07 23:10	< 1 min	0.1200240	0.1200229	0.0000004
EARTH	2053-11-29 00:56	< 1 min	0.1979273	0.1979247	0.0000008
EARTH	2056-12-06 22:39	< 1 min	0.1078126	0.1078108	0.0000006
EARTH	2072-11-28 18:43	< 1 min	0.1995488	0.1995451	0.0000012
EARTH	2075-12-07 17:36	< 1 min	0.1080602	0.1080575	0.0000009
EARTH	2091-11-29 19:28	< 1 min	0.1831545	0.1831486	0.0000020
EARTH	2094-12-08 12:40	< 1 min	0.1238525	0.1238473	0.0000017
EARTH	2110-12-01 16:57	< 1 min	0.1474193	0.1474138	0.0000018
EARTH	2113-12-11 03:19	< 1 min	0.1563154	0.1563103	0.0000017

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
109.32291553	330.56801187	0.08756755	MINIMUM
268.68478679	93.45175865	0.26470744	MINIMUM
199.72781068	36.74823363	0.34561180	SADDLE
7.12209553	214.17198508	0.51349432	SADDLE
1.77532146	26.04799670	1.52359976	SADDLE
175.77124376	199.30334354	2.10446687	MAXIMUM

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MOID Plots

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