Asteroids

2020QU5 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.303

Aphelion (Q)

1.143

Eccentricity (e)

0.581

Inclination (i)

0.8

deg

Orbit period (P)

224.5

Earth MOID

0.01075

U parameter

7.9

Next Earth close approach

Date

2025-10-08

Nominal distance (from Earth center)

0.02252

3369469

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-08-23

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.722807

1-sigma variation

0.000153

Unit

Eccentricity (e)

Value

0.580943

1-sigma variation

0.001222

Unit

Inclination (i)

Value

0.7824

1-sigma variation

0.0154

Unit

Long. of Ascending Node (Ω)

Value

68.2095

1-sigma variation

1.3140

Unit

Arg. of Perihelion (ω)

Value

101.5194

1-sigma variation

1.2872

Unit

Mean Anomaly (M)

Value

319.73757

1-sigma variation

1.76122

Unit

Perihelion distance

Value

0.302897

1-sigma variation

Unit

Aphelion distance

Value

1.142717

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.443218

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.586998

1-sigma variation

Unit

MOID

Value

0.010749

1-sigma variation

Unit

Orbit Period

Value

224.4564

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.32924E-8	-1.86457E-7	-2.34915E-6	2.00537E-4	-1.96444E-4	-2.68794E-4
e	-1.86457E-7	1.49266E-6	1.88049E-5	-1.60523E-3	1.57247E-3	2.15168E-3
i	-2.34915E-6	1.88049E-5	2.36924E-4	-2.02252E-2	1.98124E-2	2.71093E-2
Ω	2.00537E-4	-1.60523E-3	-2.02252E-2	1.72674E0	-1.69150E0	-2.31425E0
ω	-1.96444E-4	1.57247E-3	1.98124E-2	-1.69150E0	1.65698E0	2.26702E0
M	-2.68794E-4	2.15168E-3	2.71093E-2	-2.31425E0	2.26702E0	3.10191E0

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

25.631

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

20 - 40*

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

[-]

Download this part as:

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

1847

Unit

Source

[1]

Normalized RMS of residuals

Value

1.01187

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-08-20.37968

Unit

Source

[2]

Last Observation

Value

2020-08-25.960542

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

14 (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 2020QU5 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	1950-09-06 17:37	> 1 mo	0.1333422	0.0119457	0.0960174
MERCURY	1953-07-06 01:44	> 1 mo	0.0467592	0.0285830	0.5786733
EARTH	1953-08-18 11:49	> 1 w	0.1581053	0.0122040	0.5287899
EARTH	1955-10-09 10:29	> 1 w	0.1146037	0.0119474	0.5233046
MERCURY	1957-10-04 06:39	> 1 mo	0.0398511	0.0364584	0.4492356
EARTH	1958-09-13 03:21	> 1 mo	0.1374107	0.1308733	0.0021791
EARTH	1961-08-17 08:37	> 1 w	0.1043577	0.0123065	0.4653745
EARTH	1963-10-08 01:31	> 1 w	0.1722284	0.0117718	0.4555202
MERCURY	1965-10-22 06:52	> 1 mo	0.0405585	0.0275870	0.4589095
EARTH	1966-09-20 16:24	> 1 mo	0.1303667	0.0120562	0.0886736
EARTH	1969-08-16 21:57	327.9	0.0475691	0.0124660	0.3108260
MERCURY	1971-05-03 03:59	> 1 mo	0.0437365	0.0282526	0.2941647
EARTH	1974-09-27 10:17	> 1 w	0.1123302	0.0110132	0.0656109
MERCURY	1975-08-01 03:34	> 1 w	0.0385388	0.0364199	0.0882471
EARTH	1977-08-17 13:05	> 1 d	0.0126109	0.0126093	0.0003504
EARTH	1982-10-03 06:04	> 1 d	0.0833249	0.0243333	0.0199973
MERCURY	1983-08-19 12:12	> 1 d	0.0480593	0.0272794	0.0393832
EARTH	1985-08-19 17:14	> 1 d	0.0464075	0.0142351	0.0173407
MERCURY	1989-02-27 01:49	997.0	0.0420088	0.0278520	0.0061076
EARTH	1990-10-07 23:51	302.8	0.0364067	0.0248254	0.0039797
MERCURY	1993-05-27 10:20	> 1 d	0.0439454	0.0364269	0.0191769
EARTH	1993-08-25 00:01	> 1 d	0.0912896	0.0653970	0.0086379
EARTH	1998-10-09 22:49	685.8	0.0247414	0.0108552	0.0345789
MERCURY	2001-06-12 09:15	> 1 d	0.0281620	0.0264304	0.0188812
EARTH	2001-09-03 16:47	> 1 d	0.1265634	0.0977459	0.0096228
EARTH	2004-08-18 15:06	1308.8	0.1575977	0.0537226	0.0348504
EARTH	2006-10-09 00:00	1190.2	0.1337829	0.0254415	0.0366183
EARTH	2009-09-18 17:52	> 1 d	0.1324910	0.1144917	0.0060021
MERCURY	2012-06-08 11:15	> 1 d	0.0452773	0.0363518	0.0327996
EARTH	2012-08-17 01:01	97.9	0.0425462	0.0130100	0.0222211
EARTH	2017-10-01 18:41	> 1 d	0.0915603	0.0702496	0.0071168
MERCURY	2020-06-22 15:45	190.8	0.0262980	0.0256937	0.0002183
EARTH	2020-08-19 19:37	< 1 min	0.0465156	0.0461109	0.0001349
MERCURY	2024-09-17 19:13	1401.8	0.0387135	0.0361352	0.0092389
EARTH	2025-10-08 19:26	746.5	0.0225235	0.0107699	0.0106570
EARTH	2028-08-26 18:00	> 1 d	0.1006683	0.0671266	0.0112132
MERCURY	2032-10-06 08:22	> 1 d	0.0496760	0.0265923	0.0290102
EARTH	2033-10-10 01:46	401.7	0.0207662	0.0107051	0.0153028
EARTH	2036-08-31 14:38	> 1 d	0.1193754	0.1037743	0.0052082
MERCURY	2038-04-19 00:08	609.6	0.0265364	0.0258237	0.0016120
EARTH	2041-10-10 12:56	22.8	0.0463297	0.0139500	0.0118424
MERCURY	2043-11-01 08:07	> 1 d	0.0322590	0.0264642	0.0136746
EARTH	2044-09-02 05:09	> 1 d	0.1245188	0.1083622	0.0053902
MERCURY	2049-05-17 19:42	> 1 d	0.0261285	0.0260476	0.0029504
EARTH	2049-10-10 16:24	370.7	0.0307987	0.0109840	0.0263680
EARTH	2052-08-30 10:33	> 1 d	0.1157690	0.0903247	0.0085059
MERCURY	2054-12-02 08:09	> 1 d	0.0313121	0.0261158	0.0120060
EARTH	2057-10-10 09:03	353.9	0.0110198	0.0109778	0.0006197
EARTH	2060-08-26 17:20	> 1 d	0.0994676	0.0731909	0.0088181
EARTH	2065-10-09 05:59	> 1 d	0.0322583	0.0109145	0.0297866
EARTH	2068-08-22 10:33	> 1 d	0.0714460	0.0158485	0.0244010
EARTH	2073-10-05 09:45	> 1 d	0.0758059	0.0107628	0.0242581
MERCURY	2074-07-30 02:34	> 1 d	0.0478796	0.0355836	0.0427540
MERCURY	2075-11-11 18:12	> 1 d	0.0446126	0.0266965	0.0330724
EARTH	2076-08-19 01:05	> 1 d	0.0297675	0.0158572	0.0208485
MERCURY	2081-05-29 17:37	> 1 d	0.0254114	0.0251760	0.0031047
EARTH	2081-09-30 17:23	> 1 d	0.1039583	0.0757252	0.0094414
EARTH	2084-08-17 23:10	322.8	0.0182941	0.0159375	0.0034323
MERCURY	2086-12-15 14:15	405.7	0.0495980	0.0373137	0.0043688
EARTH	2089-09-24 07:19	370.4	0.1271072	0.1246809	0.0008092
EARTH	2092-08-17 18:31	169.7	0.0701229	0.0546836	0.0051859
EARTH	2094-10-09 05:49	419.5	0.1727005	0.1539297	0.0062592
MERCURY	2095-07-11 07:24	1269.0	0.0351840	0.0350603	0.0016801
EARTH	2097-09-16 00:49	> 1 d	0.1392251	0.1386572	0.0001900
EARTH	2100-08-19 21:10	672.8	0.1330329	0.0803022	0.0176617
MERCURY	2102-05-13 19:28	> 1 d	0.0256430	0.0247631	0.0080044
EARTH	2102-10-11 20:00	661.0	0.1093722	0.0545651	0.0183569
EARTH	2105-09-09 17:33	> 1 d	0.1362979	0.1235993	0.0042408
MERCURY	2107-11-29 16:33	> 1 d	0.0454588	0.0253049	0.0359728
EARTH	2108-08-21 08:36	1288.9	0.1856887	0.1002909	0.0285570
EARTH	2110-10-12 11:40	365.1	0.0611339	0.0101252	0.0272349
EARTH	2113-09-04 19:43	> 1 d	0.1267189	0.0974857	0.0097804
EARTH	2118-10-12 12:54	23.8	0.0384684	0.0100414	0.0253115
EARTH	2121-09-03 12:46	> 1 d	0.1226654	0.0971023	0.0085536

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
228.91400432	274.83479185	0.01075926	MINIMUM
133.54610274	223.27633954	0.01317983	MINIMUM
181.05504091	248.85989758	0.13711474	SADDLE
4.10083261	72.57997193	0.69174986	SADDLE
4.14471910	252.63552482	1.30797475	SADDLE
181.06515323	68.85607867	2.13605471	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out