Asteroids

2013BO76 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.818

Aphelion (Q)

2.585

Eccentricity (e)

0.519

Inclination (i)

1.9

deg

Orbit period (P)

810.8

Earth MOID

0.02835

U parameter

0.0

Next Earth close approach

Date

2033-07-14

Nominal distance (from Earth center)

0.12825

19186607

Maximum Brightness

21.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.4

mag

Diameter

220 - 500*

Taxonomic type

Rotation period (T)

5.030

Discovery Information

Discovery Date

2013-01-17

Observatory

Pan-STARRS 1, Haleakala

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.701613

1-sigma variation

4.031E-9

Unit

Eccentricity (e)

Value

0.519339

1-sigma variation

1.853E-8

Unit

Inclination (i)

Value

1.9492

1-sigma variation

1.519E-6

Unit

Long. of Ascending Node (Ω)

Value

242.1481

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

5.0011

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

303.28068

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.817899

1-sigma variation

Unit

Aphelion distance

Value

2.585326

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.193490

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.587494

1-sigma variation

Unit

MOID

Value

0.028351

1-sigma variation

Unit

Orbit Period

Value

810.7546

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.62463E-17	-4.81508E-17	1.73057E-15	4.16120E-13	-4.07461E-13	-1.81372E-14
e	-4.81508E-17	3.43380E-16	-5.01167E-15	-6.06668E-13	5.66970E-13	7.16752E-14
i	1.73057E-15	-5.01167E-15	2.30838E-12	-8.30886E-11	8.27184E-11	-1.29602E-12
Ω	4.16120E-13	-6.06668E-13	-8.30886E-11	2.53034E-8	-2.49766E-8	-4.42029E-10
ω	-4.07461E-13	5.66970E-13	8.27184E-11	-2.49766E-8	2.46719E-8	4.23797E-10
M	-1.81372E-14	7.16752E-14	-1.29602E-12	-4.42029E-10	4.23797E-10	2.55890E-11

Date of computation: 2026-03-17 23:26 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

5.030

Unit

Source

[4]

Quality

Value

Unit

Source

[4]

Amplitude

Value

0.26

Unit

mag

Source

[4]

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

[1]

[2]

Taxonomy (all)

Value

Unit

Source

[3]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

20.412

Unit

mag

Source

[5]

Slope Parameter (G)

Value

0.15**

Unit

Source

[5]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[6]

Diameter

Value

220 - 500*

Unit

Source

[6]

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.) Alexey V. Sergeyev and Benoit Carry A&A, 652 (2021) A59
[2]	EARN	1.) Maxime Devogèle et al 2019 AJ 158 196
[3]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[4]	EARN	1.) Thirouin, A.; Moskovitz, N.; Binzel, R.P.; Christensen, E.; et al. (2016) Astron. J. 152, A163.
[5]	ESA Aegis	ESA orbit determination and impact monitoring system
[6]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

3547

Unit

Source

[1]

Unobserved

Value

1325

Unit

Source

[1]

Normalized RMS of residuals

Value

0.437479

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2013-01-10.53172

Unit

Source

[2]

Last Observation

Value

2022-09-27.600073

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

492 (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

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

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

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2013BO76 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1953-04-03 03:40	< 1 min	0.0770482	0.0770475	0.0000002
EARTH	1964-08-13 01:26	< 1 min	0.1423431	0.1423421	0.0000003
EARTH	1973-05-14 11:22	< 1 min	0.1864494	0.1864490	0.0000001
EARTH	1993-06-28 19:28	< 1 min	0.1654977	0.1654974	0.0000001
EARTH	2002-03-19 10:35	< 1 s	0.0956016	0.0956009	0.0000002
EARTH	2013-07-30 02:48	< 1 s	0.0527340	0.0527338	0.0000001
EARTH	2022-03-24 22:54	< 1 s	0.0341749	0.0341748	0.0000000
EARTH	2033-07-14 03:34	< 1 min	0.1282545	0.1282538	0.0000002
EARTH	2053-05-25 00:03	< 1 min	0.1952043	0.1952042	0.0000001
EARTH	2064-08-16 18:37	< 1 min	0.1821956	0.1821923	0.0000011
EARTH	2073-04-16 21:40	< 1 min	0.1280778	0.1280757	0.0000007
EARTH	2084-08-09 07:49	< 1 min	0.0674719	0.0674699	0.0000006
EARTH	2093-04-04 08:35	< 1 s	0.0731335	0.0731332	0.0000001
EARTH	2104-08-10 13:52	< 1 min	0.0711096	0.0711073	0.0000008
EARTH	2113-04-24 21:58	< 1 min	0.1467720	0.1467701	0.0000006

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
322.83022672	83.10908548	0.02848287	MINIMUM
38.97933796	210.71242855	0.03232663	MINIMUM
1.16205432	147.24283669	0.19786142	SADDLE
180.35116225	326.25089480	1.59927980	SADDLE
1.07438365	327.10366132	1.80379392	SADDLE
180.35252797	146.25775406	3.60088909	MAXIMUM

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MOID Plots

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