Asteroids

2020PP1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.936

Aphelion (Q)

1.077

Eccentricity (e)

0.070

Inclination (i)

6.0

deg

Orbit period (P)

368.8

Earth MOID

0.02894

U parameter

0.3

A₂

-226.6

10^-15au/days²

Next Earth close approach

Date

2026-07-24

Nominal distance (from Earth center)

0.18034

26978055

Maximum Brightness

25.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-08-12

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

1.006453

1-sigma variation

5.727E-9

Unit

Eccentricity (e)

Value

0.070075

1-sigma variation

9.889E-8

Unit

Inclination (i)

Value

5.9804

1-sigma variation

4.774E-6

Unit

Long. of Ascending Node (Ω)

Value

139.5968

1-sigma variation

5.371E-6

Unit

Arg. of Perihelion (ω)

Value

44.5001

1-sigma variation

4.332E-5

Unit

Mean Anomaly (M)

Value

219.88479

1-sigma variation

0.00005

Unit

Perihelion distance

Value

0.935926

1-sigma variation

Unit

Aphelion distance

Value

1.076981

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.033300

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.039859

1-sigma variation

Unit

MOID

Value

0.028943

1-sigma variation

Unit

Orbit Period

Value

368.7982

1-sigma variation

Unit

U parameter

Value

0.3

1-sigma variation

Unit

A₂

Value

-226.56289

1-sigma variation

25.70970

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	3.28024E-17	-3.61581E-16	-1.68922E-14	-8.55512E-15	-8.61851E-14	1.04911E-13	1.07609E-7
e	-3.61581E-16	9.77974E-15	1.80020E-13	6.42470E-14	3.33889E-12	-4.32341E-12	-2.44249E-8
i	-1.68922E-14	1.80020E-13	2.27935E-11	9.42312E-12	4.85892E-11	-7.29027E-11	-3.45292E-5
Ω	-8.55512E-15	6.42470E-14	9.42312E-12	2.88527E-11	-7.76227E-14	-3.54184E-11	-2.77103E-5
ω	-8.61851E-14	3.33889E-12	4.85892E-11	-7.76227E-14	1.87636E-9	-2.26398E-9	1.20020E-4
M	1.04911E-13	-4.32341E-12	-7.29027E-11	-3.54184E-11	-2.26398E-9	2.82748E-9	-2.18723E-4
A₂	1.07609E-7	-2.44249E-8	-3.45292E-5	-2.77103E-5	1.20020E-4	-2.18723E-4	6.60987E2

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

26.688

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

12 - 27*

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

2508

Unit

Source

[1]

Unobserved

Value

452

Unit

Source

[1]

Normalized RMS of residuals

Value

0.643451

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2017-08-24.567463

Unit

Source

[2]

Last Observation

Value

2024-07-06.270857

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

62 (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 2020PP1 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	1956-10-07 06:45	< 1 min	0.1995666	0.1995490	0.0000059
EARTH	1957-10-03 00:02	< 1 min	0.1407048	0.1406889	0.0000053
EARTH	1958-09-27 15:47	< 1 min	0.0896600	0.0896470	0.0000043
EARTH	1959-09-21 05:47	< 1 min	0.0531183	0.0531107	0.0000025
EARTH	1960-09-14 02:07	< 1 min	0.0384774	0.0384757	0.0000005
EARTH	1961-09-08 22:33	< 1 min	0.0387279	0.0387269	0.0000003
EARTH	1962-09-03 02:41	1.1	0.0462322	0.0462294	0.0000010
EARTH	1963-08-25 18:06	1.6	0.0601150	0.0601105	0.0000015
EARTH	1964-08-13 01:31	2.2	0.0782083	0.0782031	0.0000018
EARTH	1964-12-15 10:02	3.6	0.1206562	0.1206559	0.0000001
EARTH	1965-07-29 02:40	2.9	0.0966619	0.0966569	0.0000017
EARTH	1966-01-10 00:17	2.4	0.1125000	0.1124975	0.0000008
EARTH	1966-07-10 17:49	3.8	0.1120458	0.1120419	0.0000013
EARTH	1967-01-28 02:39	1.9	0.0969036	0.0968996	0.0000013
EARTH	1967-06-17 16:06	5.3	0.1212618	0.1212602	0.0000006
EARTH	1968-02-11 05:25	1.4	0.0770622	0.0770575	0.0000016
EARTH	1969-02-19 18:57	< 1 min	0.0569484	0.0569441	0.0000015
EARTH	1970-02-25 02:22	< 1 min	0.0417636	0.0417607	0.0000010
EARTH	1971-02-26 16:41	< 1 min	0.0350028	0.0350019	0.0000003
EARTH	1972-02-26 04:58	< 1 min	0.0373946	0.0373928	0.0000006
EARTH	1973-02-22 02:32	< 1 min	0.0495754	0.0495710	0.0000015
EARTH	1974-02-14 15:34	1.2	0.0700964	0.0700904	0.0000020
EARTH	1975-02-01 00:34	2.0	0.0937116	0.0937055	0.0000021
EARTH	1975-05-20 05:18	5.7	0.1195758	0.1195743	0.0000005
EARTH	1976-01-11 15:11	3.2	0.1143946	0.1143898	0.0000016
EARTH	1976-06-28 07:37	3.3	0.1145680	0.1145654	0.0000009
EARTH	1976-12-15 04:38	5.1	0.1268037	0.1268017	0.0000007
EARTH	1977-07-24 15:13	2.0	0.0968705	0.0968659	0.0000015
EARTH	1978-08-12 07:31	1.1	0.0732498	0.0732446	0.0000017
EARTH	1979-08-22 00:15	< 1 min	0.0512656	0.0512614	0.0000014
EARTH	1980-08-24 15:03	< 1 min	0.0376249	0.0376232	0.0000006
EARTH	1981-08-24 23:08	< 1 min	0.0366591	0.0366578	0.0000004
EARTH	1982-08-22 07:32	< 1 min	0.0489065	0.0489024	0.0000014
EARTH	1983-08-14 21:35	< 1 min	0.0712889	0.0712830	0.0000020
EARTH	1984-07-26 07:32	1.8	0.0976825	0.0976766	0.0000020
EARTH	1985-06-25 04:35	3.9	0.1184104	0.1184069	0.0000012
EARTH	1985-12-05 06:25	4.3	0.1242781	0.1242773	0.0000003
EARTH	1986-05-19 18:40	5.8	0.1249028	0.1249026	0.0000001
EARTH	1987-01-23 11:19	1.4	0.1081537	0.1081488	0.0000016
EARTH	1988-02-19 00:54	< 1 min	0.0784422	0.0784367	0.0000018
EARTH	1989-02-19 14:38	< 1 min	0.0525868	0.0525827	0.0000014
EARTH	1990-02-19 02:56	< 1 min	0.0376407	0.0376391	0.0000005
EARTH	1991-02-19 08:40	< 1 min	0.0400843	0.0400823	0.0000007
EARTH	1992-02-21 07:23	< 1 min	0.0583273	0.0583230	0.0000015
EARTH	1993-02-27 07:45	< 1 min	0.0858308	0.0858252	0.0000019
EARTH	1994-01-07 18:16	2.0	0.1196251	0.1196205	0.0000016
EARTH	1994-04-08 15:08	2.4	0.1126355	0.1126319	0.0000012
EARTH	1994-11-13 14:05	4.4	0.1294201	0.1294199	0.0000001
EARTH	1995-05-25 22:41	4.1	0.1208621	0.1208617	0.0000001
EARTH	1995-10-05 05:38	2.0	0.1180853	0.1180823	0.0000010
EARTH	1996-09-02 21:51	< 1 min	0.0930107	0.0930064	0.0000014
EARTH	1997-08-22 11:18	< 1 min	0.0656881	0.0656843	0.0000013
EARTH	1998-08-19 21:59	< 1 min	0.0448988	0.0448964	0.0000008
EARTH	1999-08-19 04:18	< 1 min	0.0368511	0.0368510	0.0000000
EARTH	2000-08-19 02:49	< 1 min	0.0448742	0.0448720	0.0000007
EARTH	2001-08-23 13:59	< 1 min	0.0646693	0.0646657	0.0000012
EARTH	2002-09-05 20:17	< 1 min	0.0895166	0.0895128	0.0000013
EARTH	2003-05-19 03:02	3.6	0.1241136	0.1241129	0.0000002
EARTH	2003-09-29 17:55	1.6	0.1115571	0.1115543	0.0000009
EARTH	2004-04-15 05:07	2.3	0.1188900	0.1188886	0.0000004
EARTH	2004-11-01 18:08	2.8	0.1233453	0.1233445	0.0000003
EARTH	2005-03-22 01:54	1.4	0.1020223	0.1020199	0.0000008
EARTH	2006-03-03 06:05	< 1 min	0.0792660	0.0792632	0.0000010
EARTH	2007-02-19 07:49	< 1 min	0.0567232	0.0567206	0.0000009
EARTH	2008-02-13 01:19	< 1 min	0.0403373	0.0403356	0.0000006
EARTH	2009-02-09 06:36	< 1 min	0.0327815	0.0327807	0.0000003
EARTH	2010-02-08 16:57	< 1 min	0.0319196	0.0319191	0.0000002
EARTH	2011-02-10 09:24	< 1 min	0.0362839	0.0362834	0.0000002
EARTH	2012-02-14 17:41	< 1 min	0.0473013	0.0473007	0.0000002
EARTH	2013-02-22 08:36	< 1 min	0.0647838	0.0647831	0.0000002
EARTH	2013-11-09 20:10	< 1 min	0.1253694	0.1253690	0.0000001
EARTH	2014-03-07 09:05	< 1 min	0.0848868	0.0848862	0.0000002
EARTH	2014-10-08 22:12	< 1 min	0.1204319	0.1204316	0.0000001
EARTH	2015-03-24 15:08	< 1 min	0.1030719	0.1030714	0.0000002
EARTH	2015-09-19 13:29	< 1 min	0.1070097	0.1070094	0.0000001
EARTH	2016-04-14 09:53	< 1 min	0.1154207	0.1154203	0.0000001
EARTH	2016-09-03 15:23	< 1 min	0.0893057	0.0893054	0.0000001
EARTH	2017-08-23 01:51	< 1 min	0.0703724	0.0703721	0.0000001
EARTH	2018-08-14 20:14	< 1 min	0.0533733	0.0533731	0.0000001
EARTH	2019-08-09 17:38	< 1 min	0.0416167	0.0416165	0.0000001
EARTH	2020-08-05 21:42	< 1 min	0.0356384	0.0356383	0.0000000
EARTH	2021-08-03 23:03	< 1 min	0.0331753	0.0331752	0.0000000
EARTH	2022-08-01 16:56	< 1 min	0.0335876	0.0335875	0.0000000
EARTH	2023-07-29 18:06	< 1 min	0.0436273	0.0436271	0.0000000
EARTH	2024-07-25 22:03	< 1 min	0.0748244	0.0748242	0.0000001
EARTH	2025-07-24 11:22	< 1 min	0.1229447	0.1229444	0.0000001
EARTH	2026-07-24 20:38	< 1 min	0.1803372	0.1803367	0.0000001
EARTH	2107-01-12 19:59	1.7	0.1797329	0.1796373	0.0000318
EARTH	2108-01-17 20:00	2.5	0.1201182	0.1200298	0.0000295
EARTH	2109-01-22 03:31	3.7	0.0700321	0.0699611	0.0000237
EARTH	2110-01-27 15:38	3.9	0.0380497	0.0380156	0.0000114
EARTH	2111-01-30 21:51	2.2	0.0295405	0.0295352	0.0000018
EARTH	2112-01-31 20:04	1.4	0.0293630	0.0293623	0.0000002
EARTH	2113-01-29 15:33	1.6	0.0308797	0.0308757	0.0000013
EARTH	2114-01-25 23:55	2.4	0.0406971	0.0406755	0.0000072
EARTH	2115-01-20 11:08	2.0	0.0715533	0.0715091	0.0000147
EARTH	2116-01-14 21:59	1.2	0.1196573	0.1196017	0.0000185
EARTH	2117-01-08 21:19	< 1 min	0.1772427	0.1771822	0.0000202

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
310.42802230	28.42685151	0.02963639	MINIMUM
122.10060518	207.47341020	0.03478107	MINIMUM
36.61926551	119.74260777	0.11716245	SADDLE
215.97177447	295.95117726	0.12606924	SADDLE
16.18521844	277.77848740	1.93349574	SADDLE
190.40268900	91.97583820	2.07380185	MAXIMUM

Download:

MOID Plots

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