Asteroids

2020BQ12 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.717

Aphelion (Q)

1.099

Eccentricity (e)

0.210

Inclination (i)

8.8

deg

Orbit period (P)

316.2

Earth MOID

0.00583

U parameter

6.8

Next Earth close approach

Date

2033-02-03

Nominal distance (from Earth center)

0.01305

1951912

Maximum Brightness

16.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.2

mag

Diameter

40 - 90*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-01-28

Observatory

Pan-STARRS 2, 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.908369

1-sigma variation

0.000063

Unit

Eccentricity (e)

Value

0.210255

1-sigma variation

0.000271

Unit

Inclination (i)

Value

8.7665

1-sigma variation

0.0125

Unit

Long. of Ascending Node (Ω)

Value

313.3502

1-sigma variation

0.0084

Unit

Arg. of Perihelion (ω)

Value

307.5626

1-sigma variation

0.0048

Unit

Mean Anomaly (M)

Value

138.28112

1-sigma variation

0.26439

Unit

Perihelion distance

Value

0.717380

1-sigma variation

Unit

Aphelion distance

Value

1.099358

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.245842

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.009717

1-sigma variation

Unit

MOID

Value

0.005835

1-sigma variation

Unit

Orbit Period

Value

316.2218

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.96229E-9	-1.70367E-8	-7.85008E-7	5.25147E-7	-2.96182E-7	-1.66411E-5
e	-1.70367E-8	7.37091E-8	3.40011E-6	-2.27280E-6	1.24852E-6	7.16285E-5
i	-7.85008E-7	3.40011E-6	1.56877E-4	-1.04850E-4	5.73247E-5	3.30110E-3
Ω	5.25147E-7	-2.27280E-6	-1.04850E-4	7.00840E-5	-3.84462E-5	-2.20804E-3
ω	-2.96182E-7	1.24852E-6	5.73247E-5	-3.84462E-5	2.35097E-5	1.23973E-3
M	-1.66411E-5	7.16285E-5	3.30110E-3	-2.20804E-3	1.23973E-3	6.99035E-2

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

24.19

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

40 - 90*

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

2078

Unit

Source

[1]

Normalized RMS of residuals

Value

0.737515

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-01-28.235094

Unit

Source

[2]

Last Observation

Value

2020-02-13.15947

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

39 (0)

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 2020BQ12 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	1954-12-25 15:29	> 1 d	0.1659662	0.1612006	0.0016039
EARTH	1962-02-03 18:24	170.2	0.1284277	0.1108083	0.0058751
EARTH	1967-09-11 09:23	> 1 d	0.1788867	0.1732810	0.0020038
EARTH	1967-11-28 13:12	> 1 d	0.1798069	0.1792521	0.0002279
EARTH	1975-02-04 12:35	21.5	0.0978847	0.0914206	0.0021550
EARTH	1980-09-09 08:02	1359.3	0.1816984	0.1779199	0.0012981
EARTH	1980-11-30 03:36	1296.2	0.1797980	0.1790928	0.0002450
EARTH	1988-02-04 00:55	195.9	0.1262628	0.1091335	0.0057120
EARTH	1993-12-16 20:56	> 1 d	0.1733158	0.1710924	0.0007906
EARTH	2001-02-02 14:42	19.4	0.1614428	0.1609675	0.0001584
EARTH	2006-12-24 01:03	> 1 d	0.1665319	0.1619326	0.0015469
VENUS	2010-01-12 22:40	857.9	0.0244210	0.0125985	0.0049409
EARTH	2020-01-26 07:57	< 1 min	0.0920931	0.0917311	0.0001207
EARTH	2025-10-10 23:27	388.3	0.1442050	0.1423357	0.0008111
EARTH	2033-02-03 18:57	369.5	0.0130477	0.0062263	0.0064556
EARTH	2038-10-11 19:21	> 1 d	0.1506313	0.1399356	0.0135402
EARTH	2046-01-02 21:48	> 1 mo	0.1522132	0.0909056	0.0431213
EARTH	2053-02-02 23:53	> 1 d	0.1295529	0.0083220	0.1088168
EARTH	2058-09-19 21:28	> 1 w	0.1614086	0.1461107	0.0373448
EARTH	2066-02-04 03:40	> 1 d	0.0062797	0.0059487	0.0166314
EARTH	2071-09-19 15:10	> 1 mo	0.1662890	0.1460194	1.0105433
EARTH	2071-11-13 12:06	> 1 mo	0.1734744	0.1600110	0.4742213
EARTH	2079-02-03 09:01	> 1 mo	0.1395216	0.0093200	4.5998302
EARTH	2084-12-31 20:53	> 1 mo	0.1523026	0.0976658	2.4555603
EARTH	2090-10-15 14:05	> 1 mo	0.1640731	0.1385023	3.1403003
VENUS	2094-12-11 14:16	> 1 mo	0.0468715	0.0086239	4.4957054
EARTH	2098-02-03 15:32	> 1 mo	0.0185796	0.0172130	0.0718326
EARTH	2103-10-11 20:45	> 1 mo	0.1397325	0.1367228	1.2310824
EARTH	2111-01-22 17:13	> 1 mo	0.1062067	0.0319008	10.3904986
EARTH	2116-10-17 13:08	> 1 mo	0.1926145	0.1377655	10.2765056
EARTH	2123-12-21 05:21	> 1 mo	0.1687379	0.1405879	3.1674452

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
244.78585668	32.40904846	0.00574257	MINIMUM
101.98359769	272.97192708	0.13990318	MINIMUM
162.00087477	324.81877085	0.17885514	SADDLE
353.68612522	150.48673301	0.31670581	SADDLE
0.39016349	339.01040480	1.69899955	SADDLE
182.75699926	161.49866280	2.11079839	MAXIMUM

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MOID Plots

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