Asteroids

2020PP1 help

Last update: 2024-04-26 23:50 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.934

Aphelion (Q)

1.075

Eccentricity (e)

0.071

Inclination (i)

6.0

deg

Orbit period (P)

367.7

Earth MOID

0.03072

U parameter

1.3

A₂

-346.0

10^-15au/days²

Next Earth close approach

Date

2024-07-25

Nominal distance (from Earth center)

0.07482

11193549

Maximum Brightness

23.8

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

12 - 26*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-08-12

Observatory

Pan-STARRS 1, Haleakala

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.004513

1-sigma variation

2.287E-8

Unit

Eccentricity (e)

Value

0.070534

1-sigma variation

2.755E-7

Unit

Inclination (i)

Value

5.9717

1-sigma variation

1.375E-5

Unit

Long. of Ascending Node (Ω)

Value

139.7639

1-sigma variation

7.638E-6

Unit

Arg. of Perihelion (ω)

Value

43.4715

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

354.35060

1-sigma variation

0.00018

Unit

Perihelion distance

Value

0.933661

1-sigma variation

Unit

Aphelion distance

Value

1.075366

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.035268

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.040438

1-sigma variation

Unit

MOID

Value

0.030724

1-sigma variation

Unit

Orbit Period

Value

367.7324

1-sigma variation

Unit

U parameter

Value

1.3

1-sigma variation

Unit

A₂

Value

-346.02521

1-sigma variation

99.01410

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	5.23010E-16	-3.23589E-15	-2.93850E-13	-1.26408E-13	2.07895E-13	-8.01817E-14	2.15412E-6
e	-3.23589E-15	7.58923E-14	2.27403E-12	8.41059E-13	3.24886E-11	-4.19808E-11	-7.03782E-6
i	-2.93850E-13	2.27403E-12	1.89153E-10	7.91811E-11	1.52963E-10	-3.11136E-10	-1.17241E-3
Ω	-1.26408E-13	8.41059E-13	7.91811E-11	5.83432E-11	-3.10268E-11	-4.19814E-11	-5.32275E-4
ω	2.07895E-13	3.24886E-11	1.52963E-10	-3.10268E-11	2.14433E-8	-2.66683E-8	4.58073E-3
M	-8.01817E-14	-4.19808E-11	-3.11136E-10	-4.19814E-11	-2.66683E-8	3.33240E-8	-4.98852E-3
A₂	2.15412E-6	-7.03782E-6	-1.17241E-3	-5.32275E-4	4.58073E-3	-4.98852E-3	9.80380E3

Date of computation: 2024-04-23 10:08 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

26.76

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 - 26*

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 ODIM	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

1820

Unit

Source

[1]

Unobserved

Value

618

Unit

Source

[1]

Normalized RMS of residuals

Value

0.661796

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

2022-08-18.296078

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

60 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1956-10-07 06:45	8.0	0.1995643	0.1988902	0.0002248
EARTH	1957-10-03 00:02	12.0	0.1407029	0.1401072	0.0001986
EARTH	1958-09-27 15:47	19.0	0.0896586	0.0891863	0.0001576
EARTH	1959-09-21 05:47	25.9	0.0531176	0.0528556	0.0000876
EARTH	1960-09-14 02:07	23.7	0.0384773	0.0384370	0.0000137
EARTH	1961-09-08 22:33	25.7	0.0387282	0.0386686	0.0000200
EARTH	1962-09-03 02:41	41.6	0.0462328	0.0460913	0.0000473
EARTH	1963-08-25 18:06	69.8	0.0601158	0.0598979	0.0000728
EARTH	1964-08-13 01:30	104.0	0.0782092	0.0779547	0.0000849
EARTH	1964-12-15 10:05	221.1	0.1206560	0.1206162	0.0000133
EARTH	1965-07-29 02:39	141.6	0.0966627	0.0964201	0.0000810
EARTH	1966-01-10 00:18	152.6	0.1124992	0.1123259	0.0000579
EARTH	1966-07-10 17:48	188.9	0.1120464	0.1118629	0.0000613
EARTH	1967-01-28 02:41	120.0	0.0969023	0.0966394	0.0000878
EARTH	1967-06-17 16:04	270.5	0.1212620	0.1211897	0.0000242
EARTH	1968-02-11 05:27	91.4	0.0770608	0.0767444	0.0001056
EARTH	1969-02-19 18:58	62.6	0.0569469	0.0566346	0.0001043
EARTH	1970-02-25 02:22	36.8	0.0417623	0.0415225	0.0000801
EARTH	1971-02-26 16:41	19.6	0.0350020	0.0348725	0.0000432
EARTH	1972-02-26 04:58	6.5	0.0373941	0.0373719	0.0000074
EARTH	1973-02-22 02:32	10.0	0.0495752	0.0494774	0.0000326
EARTH	1974-02-14 15:34	36.7	0.0700966	0.0699055	0.0000637
EARTH	1975-02-01 00:34	75.4	0.0937121	0.0934897	0.0000742
EARTH	1975-05-20 05:21	228.7	0.1195759	0.1195305	0.0000151
EARTH	1976-01-11 15:11	127.5	0.1143950	0.1142156	0.0000598
EARTH	1976-06-28 07:38	131.9	0.1145676	0.1144520	0.0000386
EARTH	1976-12-15 04:37	203.8	0.1268039	0.1267307	0.0000244
EARTH	1977-07-24 15:14	81.7	0.0968699	0.0966654	0.0000682
EARTH	1978-08-12 07:32	50.5	0.0732490	0.0730115	0.0000792
EARTH	1979-08-22 00:15	29.3	0.0512649	0.0510642	0.0000669
EARTH	1980-08-24 15:04	14.1	0.0376245	0.0375250	0.0000332
EARTH	1981-08-24 23:08	< 1 min	0.0366592	0.0366246	0.0000115
EARTH	1982-08-22 07:32	14.6	0.0489071	0.0487435	0.0000546
EARTH	1983-08-14 21:35	38.0	0.0712898	0.0710401	0.0000832
EARTH	1984-07-26 07:30	87.4	0.0976834	0.0974259	0.0000859
EARTH	1985-06-25 04:33	180.8	0.1184109	0.1182593	0.0000506
EARTH	1985-12-05 06:28	219.8	0.1242778	0.1242224	0.0000185
EARTH	1986-05-19 18:39	253.7	0.1249027	0.1248842	0.0000062
EARTH	1987-01-23 11:21	60.6	0.1081524	0.1078904	0.0000874
EARTH	1988-02-19 00:54	5.6	0.0784407	0.0781227	0.0001060
EARTH	1989-02-19 14:38	2.4	0.0525853	0.0522999	0.0000951
EARTH	1990-02-19 02:56	1.9	0.0376397	0.0374671	0.0000575
EARTH	1991-02-19 08:40	2.1	0.0400843	0.0400482	0.0000120
EARTH	1992-02-21 07:23	9.4	0.0583283	0.0581071	0.0000737
EARTH	1993-02-27 07:46	28.4	0.0858324	0.0854908	0.0001139
EARTH	1994-01-07 18:08	140.9	0.1196266	0.1193371	0.0000965
EARTH	1994-04-08 15:13	173.5	0.1126367	0.1123966	0.0000801
EARTH	1994-11-13 14:01	275.9	0.1294200	0.1294023	0.0000059
EARTH	1995-05-25 22:47	316.9	0.1208618	0.1208161	0.0000153
EARTH	1995-10-05 05:35	130.2	0.1180841	0.1178714	0.0000709
EARTH	1996-09-02 21:49	49.7	0.0930088	0.0926875	0.0001071
EARTH	1997-08-22 11:18	19.9	0.0656863	0.0653800	0.0001021
EARTH	1998-08-19 21:59	7.6	0.0448976	0.0446910	0.0000689
EARTH	1999-08-19 04:18	< 1 min	0.0368510	0.0368283	0.0000076
EARTH	2000-08-19 02:49	10.8	0.0448753	0.0446973	0.0000593
EARTH	2001-08-23 13:60	34.4	0.0646712	0.0643572	0.0001047
EARTH	2002-09-05 20:20	85.9	0.0895187	0.0891625	0.0001188
EARTH	2003-05-19 02:57	327.1	0.1241138	0.1240722	0.0000139
EARTH	2003-09-29 17:59	171.7	0.1115588	0.1112837	0.0000918
EARTH	2004-04-15 05:03	210.3	0.1188890	0.1187448	0.0000482
EARTH	2004-11-01 18:15	323.2	0.1233457	0.1232830	0.0000209
EARTH	2005-03-22 01:52	141.7	0.1020205	0.1017579	0.0000877
EARTH	2006-03-03 06:03	100.1	0.0792638	0.0789289	0.0001117
EARTH	2007-02-19 07:47	68.9	0.0567209	0.0563900	0.0001104
EARTH	2008-02-13 01:18	44.2	0.0403356	0.0400912	0.0000817
EARTH	2009-02-09 06:35	26.9	0.0327806	0.0326407	0.0000468
EARTH	2010-02-08 16:57	19.0	0.0319189	0.0318244	0.0000316
EARTH	2011-02-10 09:24	18.9	0.0362832	0.0361889	0.0000315
EARTH	2012-02-14 17:40	22.1	0.0473005	0.0471979	0.0000342
EARTH	2013-02-22 08:35	25.6	0.0647831	0.0646913	0.0000306
EARTH	2013-11-09 20:11	78.2	0.1253693	0.1253630	0.0000021
EARTH	2014-03-07 09:05	27.0	0.0848863	0.0848189	0.0000224
EARTH	2014-10-08 22:13	34.6	0.1204320	0.1204042	0.0000093
EARTH	2015-03-24 15:07	26.6	0.1030715	0.1030319	0.0000132
EARTH	2015-09-19 13:29	19.2	0.1070097	0.1069774	0.0000108
EARTH	2016-04-14 09:52	26.1	0.1154205	0.1154054	0.0000050
EARTH	2016-09-03 15:23	10.7	0.0893057	0.0892781	0.0000092
EARTH	2017-08-23 01:51	5.3	0.0703723	0.0703534	0.0000063
EARTH	2018-08-14 20:14	2.0	0.0533733	0.0533638	0.0000032
EARTH	2019-08-09 17:38	< 1 min	0.0416166	0.0416139	0.0000009
EARTH	2020-08-05 21:42	< 1 min	0.0356384	0.0356381	0.0000001
EARTH	2021-08-03 23:03	< 1 min	0.0331753	0.0331752	0.0000000
EARTH	2022-08-01 16:56	1.1	0.0335876	0.0335851	0.0000008
EARTH	2023-07-29 18:06	1.8	0.0436272	0.0436067	0.0000068
EARTH	2024-07-25 22:03	1.4	0.0748243	0.0747728	0.0000171
EARTH	2025-07-24 11:22	< 1 min	0.1229444	0.1228655	0.0000263
EARTH	2026-07-24 20:38	< 1 min	0.1803367	0.1802318	0.0000349
EARTH	2107-01-12 19:44	322.2	0.1798779	0.1617436	0.0060629
EARTH	2108-01-17 19:43	476.9	0.1202524	0.1035589	0.0056100
EARTH	2109-01-22 03:11	696.4	0.0701402	0.0570205	0.0045167
EARTH	2110-01-27 15:20	741.3	0.0381017	0.0325347	0.0021754
EARTH	2111-01-30 21:41	421.3	0.0295485	0.0289142	0.0003368
EARTH	2112-01-31 19:58	263.0	0.0293640	0.0293338	0.0000440
EARTH	2113-01-29 15:26	310.6	0.0308859	0.0303293	0.0002536
EARTH	2114-01-25 23:43	455.4	0.0407311	0.0369814	0.0013767
EARTH	2115-01-20 10:56	385.0	0.0716224	0.0634158	0.0028002
EARTH	2116-01-14 21:50	218.6	0.1197443	0.1092492	0.0035219
EARTH	2117-01-08 21:14	108.1	0.1773374	0.1658893	0.0038257

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