Asteroids

2010BA118 help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.962

Aphelion (Q)

1.104

Eccentricity (e)

0.069

Inclination (i)

0.3

deg

Orbit period (P)

383.4

Earth MOID

0.00225

U parameter

9.0

Next Earth close approach

Date

2031-01-24

Nominal distance (from Earth center)

0.02266

3389920

Maximum Brightness

27.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.032800

1-sigma variation

0.056477

Unit

Eccentricity (e)

Value

0.068800

1-sigma variation

0.033068

Unit

Inclination (i)

Value

0.3206

1-sigma variation

3.7756

Unit

Long. of Ascending Node (Ω)

Value

243.9929

1-sigma variation

567.6250

Unit

Arg. of Perihelion (ω)

Value

254.8043

1-sigma variation

502.9400

Unit

Mean Anomaly (M)

Value

183.21469

1-sigma variation

480.72300

Unit

Perihelion distance

Value

0.961744

1-sigma variation

Unit

Aphelion distance

Value

1.103857

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.034784

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.022020

1-sigma variation

Unit

MOID

Value

0.002253

1-sigma variation

Unit

Orbit Period

Value

383.3744

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.18969E-3	1.86154E-3	-1.82150E-1	2.75995E1	-2.39504E1	-2.71333E1
e	1.86154E-3	1.09352E-3	-1.01073E-1	1.53378E1	-1.32571E1	-1.57903E1
i	-1.82150E-1	-1.01073E-1	1.42555E1	-2.14297E3	1.89851E3	1.58257E3
Ω	2.75995E1	1.53378E1	-2.14297E3	3.22198E5	-2.85317E5	-2.39646E5
ω	-2.39504E1	-1.32571E1	1.89851E3	-2.85317E5	2.52949E5	2.08295E5
M	-2.71333E1	-1.57903E1	1.58257E3	-2.39646E5	2.08295E5	2.31095E5

Date of computation: 2025-07-29 02:36 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

25.321

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

23 - 50*

Unit

Source

[2]

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

[-]

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Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	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

5673

Unit

Source

[1]

Normalized RMS of residuals

Value

0.852146

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2010-01-30.08347

Unit

Source

[2]

Last Observation

Value

2010-01-31.34067

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

12 (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

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

Close Approaches for 2010BA118 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	1950-05-10 23:20	> 1 mo	0.1975483	0.0000000	98809.0460186
EARTH	1965-11-02 03:40	> 1 mo	0.0762447	0.0000000	25.8629268
EARTH	1966-04-21 16:57	> 1 mo	0.0086036	0.0003262	234.2301075
EARTH	1976-01-23 04:11	> 1 mo	0.0894975	0.0000000	198.7665187
EARTH	1976-07-11 22:47	> 1 mo	0.1134407	0.0000000	74.1927327
EARTH	1986-10-07 23:42	> 1 mo	0.1420469	0.0549863	15.3290883
EARTH	1997-02-01 15:52	> 1 mo	0.0165681	0.0000000	2.0092783
EARTH	1997-06-24 21:50	> 1 mo	0.0771125	0.0000000	1.4342312
EARTH	2009-12-27 02:48	> 1 mo	0.0640534	0.0000210	0.0264368
EARTH	2010-04-20 09:30	> 1 w	0.0040913	0.0000000	0.0160203
EARTH	2031-01-24 07:13	> 1 mo	0.0226602	0.0000000	3.7123210
EARTH	2031-05-21 07:33	> 1 mo	0.0574118	0.0000000	5.2163966
EARTH	2049-11-25 08:48	> 1 mo	0.1896037	0.0000000	384.9351920
EARTH	2050-09-07 23:38	> 1 mo	0.0880398	0.0000000	73.5077921
EARTH	2051-04-14 04:24	> 1 mo	0.0486268	0.0000000	379.7910482
EARTH	2068-09-07 15:28	> 1 mo	0.0937250	0.0000000	1067.9542275
EARTH	2069-04-14 15:13	> 1 mo	0.0673482	0.0000000	5973.3769186
EARTH	2085-09-15 05:48	> 1 mo	0.0939011	0.0000000	8858.5831342
EARTH	2086-04-13 07:07	> 1 mo	0.0619850	0.0000000	39476.5190478
EARTH	2101-09-25 13:02	> 1 mo	0.0927599	0.0000000	81639.9900791
EARTH	2102-04-12 11:40	> 1 mo	0.0527044	0.0000000	293911.3573535
EARTH	2116-09-13 18:05	> 1 mo	0.1050590	0.0000000	582804.5438881
EARTH	2117-04-15 14:52	> 1 mo	0.0973831	0.0000000	3043870.2645153

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
313.03312677	346.85604780	0.00225318	MINIMUM
66.80618358	106.14856288	0.00324014	MINIMUM
10.32834813	46.91723609	0.02648080	SADDLE
188.95047540	225.52751004	0.09176352	SADDLE
10.49549543	227.07841959	1.97387537	SADDLE
188.66843257	45.24724156	2.09138742	MAXIMUM

Download:

MOID Plots

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