Asteroids

2007BD help

Last update: 2024-04-18 23:50 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.481

Aphelion (Q)

0.986

Eccentricity (e)

0.344

Inclination (i)

9.3

deg

Orbit period (P)

229.5

Earth MOID

0.00283

U parameter

5.8

Next Earth close approach

Date

2029-01-28

Nominal distance (from Earth center)

0.04955

7412041

Maximum Brightness

23.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

16 - 30*

Taxonomic type

Rotation period (T)

3.294

Discovery Information

Discovery Date

2007-01-16

Observatory

Catalina Sky Survey

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

0.733509

1-sigma variation

0.000006

Unit

Eccentricity (e)

Value

0.344407

1-sigma variation

0.000012

Unit

Inclination (i)

Value

9.2738

1-sigma variation

0.0007

Unit

Long. of Ascending Node (Ω)

Value

297.3889

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

359.3389

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

317.71580

1-sigma variation

0.16252

Unit

Perihelion distance

Value

0.480883

1-sigma variation

Unit

Aphelion distance

Value

0.986134

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.535138

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.002842

1-sigma variation

Unit

MOID

Value

0.002833

1-sigma variation

Unit

Orbit Period

Value

229.4596

1-sigma variation

Unit

U parameter

Value

5.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.31949E-11	-7.14880E-11	-4.14244E-9	9.61053E-10	-2.46472E-10	-9.36387E-7
e	-7.14880E-11	1.53956E-10	8.92116E-9	-2.06971E-9	5.30735E-10	2.01659E-6
i	-4.14244E-9	8.92116E-9	5.17918E-7	-1.19931E-7	3.04822E-8	1.16854E-4
Ω	9.61053E-10	-2.06971E-9	-1.19931E-7	2.78258E-8	-7.10927E-9	-2.71102E-5
ω	-2.46472E-10	5.30735E-10	3.04822E-8	-7.10927E-9	5.68729E-9	6.94459E-6
M	-9.36387E-7	2.01659E-6	1.16854E-4	-2.71102E-5	6.94459E-6	2.64143E-2

Date of computation: 2024-02-21 14:29 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

3.294

Unit

Source

[1]

Quality

Value

Unit

Source

[1]

Amplitude

Value

0.21

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

26.156

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[3]

Diameter

Value

16 - 30*

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

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) R. Behrend Courbes des lumiere, Observatoire de Geneve website
[2]	ESA ODIM	ESA orbit determination and impact monitoring system
[3]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

6298

Unit

Source

[1]

Normalized RMS of residuals

Value

0.368731

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2007-01-16.43733

Unit

Source

[2]

Last Observation

Value

2007-01-20.82751

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

305 (2)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (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 2007BD 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
MERCURY	1957-11-17 09:01	300.6	0.0374214	0.0330117	0.0014917
EARTH	1960-01-03 11:29	4.5	0.0851774	0.0838232	0.0004525
EARTH	1965-01-17 09:23	52.1	0.0029994	0.0027377	0.0000917
MERCURY	1965-05-06 06:52	47.9	0.0414379	0.0406656	0.0002581
MERCURY	1968-06-22 20:37	100.7	0.0411997	0.0396267	0.0005281
EARTH	1970-01-09 12:20	120.1	0.0341891	0.0329158	0.0004254
EARTH	1975-01-02 10:15	48.5	0.0966077	0.0945264	0.0006946
EARTH	1980-01-01 03:21	8.7	0.1887993	0.1862735	0.0008423
EARTH	1992-02-04 23:52	3.2	0.1668136	0.1645231	0.0007639
MERCURY	1995-06-08 21:44	121.9	0.0455774	0.0431764	0.0008092
EARTH	1997-02-01 11:41	63.7	0.0797901	0.0781024	0.0005634
MERCURY	1998-07-29 03:27	126.2	0.0300026	0.0299265	0.0000546
MERCURY	2001-09-16 16:50	109.4	0.0359758	0.0347151	0.0004301
EARTH	2002-01-24 10:31	111.5	0.0239796	0.0230026	0.0003264
MERCURY	2004-11-02 15:08	47.6	0.0316290	0.0312784	0.0001198
EARTH	2007-01-18 02:51	< 1 s	0.0021668	0.0021665	0.0000001
MERCURY	2007-12-19 16:07	18.2	0.0305345	0.0305294	0.0000023
EARTH	2012-01-02 05:09	41.6	0.0909495	0.0896202	0.0004436
MERCURY	2022-05-31 02:06	248.7	0.0393402	0.0356829	0.0012857
EARTH	2024-02-03 20:45	3.1	0.1730530	0.1685660	0.0014969
EARTH	2029-01-28 08:37	269.2	0.0495464	0.0454745	0.0013644
EARTH	2034-01-11 15:03	357.6	0.0233846	0.0203920	0.0010056
EARTH	2038-12-31 03:33	3.2	0.1451183	0.1447746	0.0001146
MERCURY	2040-01-03 09:21	16.8	0.0426967	0.0423130	0.0001279
EARTH	2051-02-01 01:08	293.1	0.0796562	0.0715794	0.0027113
MERCURY	2051-04-27 04:02	650.2	0.0311229	0.0309800	0.0003899
EARTH	2056-01-12 19:11	986.7	0.0202982	0.0123427	0.0027434
EARTH	2060-12-30 14:48	1.3	0.1736016	0.1713642	0.0007464
MERCURY	2062-08-21 21:58	44.4	0.0325664	0.0322096	0.0001213
EARTH	2068-02-04 03:11	31.4	0.1629220	0.1510059	0.0039844
EARTH	2073-01-20 07:50	> 1 d	0.0110826	0.0033488	0.0045187
EARTH	2078-01-04 03:13	> 1 d	0.0645834	0.0323653	0.0116387
EARTH	2082-12-31 03:53	293.7	0.1843042	0.0865661	0.0338443
MERCURY	2088-05-27 23:02	> 1 d	0.0361893	0.0287137	0.0403047
EARTH	2095-02-02 14:23	> 1 d	0.1007642	0.0323675	0.0636555
EARTH	2100-01-20 11:24	> 1 w	0.0092029	0.0031496	0.0465048
EARTH	2105-01-13 22:42	> 1 mo	0.0149837	0.0045164	0.1647783
EARTH	2110-01-03 09:25	> 1 d	0.0825784	0.0301637	0.1045837
EARTH	2115-01-01 04:38	1397.5	0.1820491	0.0660837	0.0394158
MERCURY	2115-05-20 13:00	> 1 d	0.0344539	0.0302896	0.0152022
MERCURY	2118-07-11 21:28	> 1 w	0.0471077	0.0182452	0.1524694

Download as: