Asteroids

2020PP1 help

Last update: 2025-04-04 23:01 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.935

Aphelion (Q)

1.077

Eccentricity (e)

0.070

Inclination (i)

6.0

deg

Orbit period (P)

368.5

Earth MOID

0.02964

U parameter

0.3

A₂

-226.7

10^-15au/days²

Next Earth close approach

Date

2025-07-24

Nominal distance (from Earth center)

0.12294

18392271

Maximum Brightness

25.1

mag

Risk

Object is not in risk list

Object is not in priority 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.005875

1-sigma variation

5.568E-9

Unit

Eccentricity (e)

Value

0.070231

1-sigma variation

9.867E-8

Unit

Inclination (i)

Value

5.9788

1-sigma variation

4.774E-6

Unit

Long. of Ascending Node (Ω)

Value

139.6383

1-sigma variation

5.360E-6

Unit

Arg. of Perihelion (ω)

Value

44.1479

1-sigma variation

4.363E-5

Unit

Mean Anomaly (M)

Value

24.89270

1-sigma variation

0.00005

Unit

Perihelion distance

Value

0.935231

1-sigma variation

Unit

Aphelion distance

Value

1.076519

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.033975

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.041145

1-sigma variation

Unit

MOID

Value

0.029636

1-sigma variation

Unit

Orbit Period

Value

368.4805

1-sigma variation

Unit

U parameter

Value

0.3

1-sigma variation

Unit

A₂

Value

-226.68416

1-sigma variation

25.70970

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	3.10080E-17	-3.51588E-16	-1.51397E-14	-7.42178E-15	-8.45180E-14	1.08990E-13	1.03185E-7
e	-3.51588E-16	9.73544E-15	1.79359E-13	6.08237E-14	3.36722E-12	-4.44887E-12	-2.54898E-8
i	-1.51397E-14	1.79359E-13	2.27863E-11	9.28300E-12	5.02536E-11	-7.91672E-11	-3.44440E-5
Ω	-7.42178E-15	6.08237E-14	9.28300E-12	2.87316E-11	-1.06901E-12	-3.59119E-11	-2.87831E-5
ω	-8.45180E-14	3.36722E-12	5.02536E-11	-1.06901E-12	1.90390E-9	-2.32105E-9	1.20096E-4
M	1.08990E-13	-4.44887E-12	-7.91672E-11	-3.59119E-11	-2.32105E-9	2.92527E-9	-1.86976E-4
A₂	1.03185E-7	-2.54898E-8	-3.44440E-5	-2.87831E-5	1.20096E-4	-1.86976E-4	6.60987E2

Date of computation: 2025-02-19 13:28 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

26.735

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
No.[1]	NameESA Aegis	AdditionalESA orbit determination and impact monitoring system
No.[2]	NameEstimation	AdditionalEstimated 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

273

Unit

Source

[1]

Normalized RMS of residuals

Value

0.639897

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	1.9	0.1995648	0.1994009	0.0000547
EARTH	1957-10-03 00:02	2.8	0.1407032	0.1405585	0.0000483
EARTH	1958-09-27 15:46	4.5	0.0896587	0.0895440	0.0000382
EARTH	1959-09-21 05:47	6.2	0.0531176	0.0530539	0.0000212
EARTH	1960-09-14 02:06	5.6	0.0384772	0.0384675	0.0000033
EARTH	1961-09-08 22:33	6.2	0.0387280	0.0387130	0.0000050
EARTH	1962-09-03 02:41	10.2	0.0462324	0.0461971	0.0000118
EARTH	1963-08-25 18:06	17.3	0.0601153	0.0600608	0.0000181
EARTH	1964-08-13 01:31	25.9	0.0782086	0.0781449	0.0000212
EARTH	1964-12-15 10:02	55.5	0.1206562	0.1206460	0.0000034
EARTH	1965-07-29 02:40	35.4	0.0966621	0.0966013	0.0000203
EARTH	1966-01-10 00:17	38.4	0.1124999	0.1124562	0.0000146
EARTH	1966-07-10 17:49	47.4	0.1120459	0.1119999	0.0000153
EARTH	1967-01-28 02:39	30.2	0.0969034	0.0968370	0.0000221
EARTH	1967-06-17 16:06	67.9	0.1212619	0.1212437	0.0000060
EARTH	1968-02-11 05:25	23.1	0.0770621	0.0769821	0.0000267
EARTH	1969-02-19 18:57	15.9	0.0569484	0.0568690	0.0000265
EARTH	1970-02-25 02:22	9.4	0.0417636	0.0417023	0.0000205
EARTH	1971-02-26 16:41	5.1	0.0350029	0.0349692	0.0000112
EARTH	1972-02-26 04:58	1.9	0.0373948	0.0373877	0.0000024
EARTH	1973-02-22 02:32	2.3	0.0495756	0.0495524	0.0000077
EARTH	1974-02-14 15:34	8.9	0.0700967	0.0700500	0.0000156
EARTH	1975-02-01 00:34	18.6	0.0937118	0.0936570	0.0000183
EARTH	1975-05-20 05:19	56.5	0.1195759	0.1195648	0.0000037
EARTH	1976-01-11 15:11	31.7	0.1143947	0.1143503	0.0000148
EARTH	1976-06-28 07:37	32.6	0.1145679	0.1145392	0.0000096
EARTH	1976-12-15 04:37	50.6	0.1268038	0.1267856	0.0000060
EARTH	1977-07-24 15:14	20.2	0.0968704	0.0968196	0.0000169
EARTH	1978-08-12 07:31	12.6	0.0732497	0.0731904	0.0000197
EARTH	1979-08-22 00:15	7.4	0.0512655	0.0512152	0.0000168
EARTH	1980-08-24 15:03	3.6	0.0376249	0.0375996	0.0000084
EARTH	1981-08-24 23:08	< 1 min	0.0366592	0.0366511	0.0000027
EARTH	1982-08-22 07:32	3.5	0.0489067	0.0488664	0.0000134
EARTH	1983-08-14 21:35	9.5	0.0712891	0.0712271	0.0000207
EARTH	1984-07-26 07:31	21.9	0.0976827	0.0976185	0.0000214
EARTH	1985-06-25 04:34	45.2	0.1184105	0.1183727	0.0000126
EARTH	1985-12-05 06:25	55.0	0.1242780	0.1242640	0.0000047
EARTH	1986-05-19 18:40	63.2	0.1249028	0.1248981	0.0000016
EARTH	1987-01-23 11:19	15.0	0.1081535	0.1080879	0.0000219
EARTH	1988-02-19 00:54	1.4	0.0784421	0.0783621	0.0000267
EARTH	1989-02-19 14:38	< 1 min	0.0525868	0.0525143	0.0000241
EARTH	1990-02-19 02:56	< 1 min	0.0376407	0.0375962	0.0000148
EARTH	1991-02-19 08:40	< 1 min	0.0400844	0.0400762	0.0000028
EARTH	1992-02-21 07:23	2.4	0.0583274	0.0582721	0.0000184
EARTH	1993-02-27 07:45	7.2	0.0858309	0.0857446	0.0000288
EARTH	1994-01-07 18:16	35.8	0.1196252	0.1195519	0.0000244
EARTH	1994-04-08 15:08	44.1	0.1126355	0.1125746	0.0000203
EARTH	1994-11-13 14:05	69.7	0.1294201	0.1294155	0.0000015
EARTH	1995-05-25 22:41	80.6	0.1208621	0.1208503	0.0000039
EARTH	1995-10-05 05:38	32.9	0.1180853	0.1180313	0.0000180
EARTH	1996-09-02 21:51	12.6	0.0930106	0.0929290	0.0000272
EARTH	1997-08-22 11:18	5.1	0.0656881	0.0656100	0.0000260
EARTH	1998-08-19 21:59	1.9	0.0448988	0.0448458	0.0000177
EARTH	1999-08-19 04:18	< 1 min	0.0368512	0.0368450	0.0000021
EARTH	2000-08-19 02:49	2.8	0.0448743	0.0448291	0.0000151
EARTH	2001-08-23 13:59	8.8	0.0646693	0.0645892	0.0000267
EARTH	2002-09-05 20:17	22.0	0.0895166	0.0894254	0.0000304
EARTH	2003-05-19 03:02	83.6	0.1241136	0.1241030	0.0000035
EARTH	2003-09-29 17:55	44.1	0.1115571	0.1114865	0.0000235
EARTH	2004-04-15 05:07	53.8	0.1188900	0.1188529	0.0000123
EARTH	2004-11-01 18:08	83.1	0.1233453	0.1233293	0.0000053
EARTH	2005-03-22 01:54	36.3	0.1020223	0.1019548	0.0000225
EARTH	2006-03-03 06:05	25.7	0.0792660	0.0791798	0.0000287
EARTH	2007-02-19 07:49	17.8	0.0567232	0.0566378	0.0000285
EARTH	2008-02-13 01:19	11.4	0.0403373	0.0402739	0.0000211
EARTH	2009-02-09 06:36	7.0	0.0327815	0.0327450	0.0000122
EARTH	2010-02-08 16:57	5.0	0.0319196	0.0318946	0.0000083
EARTH	2011-02-10 09:24	5.0	0.0362839	0.0362586	0.0000084
EARTH	2012-02-14 17:41	6.0	0.0473013	0.0472735	0.0000093
EARTH	2013-02-22 08:36	7.0	0.0647838	0.0647586	0.0000084
EARTH	2013-11-09 20:10	21.8	0.1253694	0.1253675	0.0000006
EARTH	2014-03-07 09:05	7.5	0.0848868	0.0848680	0.0000063
EARTH	2014-10-08 22:12	9.8	0.1204319	0.1204242	0.0000026
EARTH	2015-03-24 15:08	7.5	0.1030719	0.1030605	0.0000038
EARTH	2015-09-19 13:29	5.5	0.1070097	0.1070005	0.0000030
EARTH	2016-04-14 09:53	7.5	0.1154206	0.1154162	0.0000015
EARTH	2016-09-03 15:23	3.1	0.0893057	0.0892977	0.0000027
EARTH	2017-08-23 01:51	1.6	0.0703724	0.0703667	0.0000019
EARTH	2018-08-14 20:14	< 1 min	0.0533733	0.0533704	0.0000010
EARTH	2019-08-09 17:38	< 1 min	0.0416166	0.0416158	0.0000003
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	0.0335871	0.0000002
EARTH	2023-07-29 18:06	< 1 min	0.0436273	0.0436232	0.0000013
EARTH	2024-07-25 22:03	< 1 min	0.0748244	0.0748140	0.0000035
EARTH	2025-07-24 11:22	< 1 min	0.1229447	0.1229282	0.0000055
EARTH	2026-07-24 20:38	< 1 min	0.1803372	0.1803145	0.0000076
EARTH	2107-01-12 19:59	83.5	0.1797329	0.1750260	0.0015701
EARTH	2108-01-17 20:00	123.6	0.1201182	0.1157686	0.0014526
EARTH	2109-01-22 03:31	180.5	0.0700322	0.0665500	0.0011689
EARTH	2110-01-27 15:38	191.9	0.0380497	0.0364213	0.0005617
EARTH	2111-01-30 21:51	109.1	0.0295405	0.0293050	0.0000867
EARTH	2112-01-31 20:04	68.6	0.0293630	0.0293388	0.0000113
EARTH	2113-01-29 15:33	81.8	0.0308797	0.0306939	0.0000666
EARTH	2114-01-25 23:55	120.6	0.0406972	0.0396325	0.0003631
EARTH	2115-01-20 11:08	102.3	0.0715535	0.0693442	0.0007406
EARTH	2116-01-14 21:58	58.4	0.1196575	0.1168643	0.0009326
EARTH	2117-01-08 21:19	29.1	0.1772430	0.1742029	0.0010140

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
310.86171853	25.03945366	0.02832749	MINIMUM
122.20345479	203.63512446	0.03470021	MINIMUM
36.97467666	116.19065224	0.11626067	SADDLE
216.16875687	292.29125946	0.12591472	SADDLE
16.52422675	274.23242696	1.93350177	SADDLE
190.60960888	88.29735376	2.07147617	MAXIMUM

Download:

MOID Plots

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