IAA RAS IAA Minor Planet Database

2021 PO41

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4601045529 ± 3.80e-08
Semi-major axis (a)2.3934150685 AU ± 1.03e-08
Inclination (i)29.53552715° ± 7.18e-06
Long. of Asc. Node (Ω)354.01207732° ± 2.52e-06
Arg. of Perihelion (ω)31.70097554° ± 1.72e-05
Mean Anomaly (M)34.22310503° ± 5.96e-06
Mean Motion (n)0.2661860212°/day ± 1.72e-09
Perihelion dist (q)1.29219390 AU ± 9.12e-08
Aphelion dist (Q)3.49463624 AU ± 9.22e-08
Orbital Period3.70277252 yr ± 2.40e-08
Physical Parameters
H (abs. magnitude)18.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.223″
Uncertainty0
Orbit TypeAmor
MOID0.331945 AU
Observations Used355
Oppositions11
Arc Total2010-2025
First Observation Used2010-09-12
Last Observation Used2025-11-03
Observations (392)
Date Type RA Dec Mag Band Observatory
2010-09-12 15:13:09 C 03 51 23.081 +45 27 25.85 – V F51
2010-09-13 15:08:05 C 03 54 10.834 +46 28 12.12 – V F51
2010-09-21 11:22:13 C 04 17 53.879 +54 14 35.75 – V F51
2010-09-21 11:41:32 C 04 17 56.454 +54 15 23.13 – V F51
2011-01-15 07:03:57 C 05 26 37.377 +78 05 57.52 – V F51
2011-01-15 07:21:16 C 05 26 37.230 +78 05 38.22 – V F51
2015-01-14 15:04:16 C 11 34 29.272 +29 56 06.72 – V F51
2015-01-14 15:17:57 C 11 34 28.781 +29 56 08.49 – V F51
2021-08-02 08:18:18 S 00 36 43.457 -34 24 04.17 – – 258
2021-08-02 08:18:28 S 00 36 43.449 -34 24 04.17 – – 258
2021-08-02 08:18:33 S 00 36 43.452 -34 24 04.12 – – 258
2021-08-02 08:18:38 S 00 36 43.457 -34 24 04.06 – – 258
2021-08-02 08:18:47 S 00 36 43.454 -34 24 04.03 – – 258
2021-08-02 08:18:52 S 00 36 43.448 -34 24 04.03 – – 258
2021-08-02 08:18:57 S 00 36 43.453 -34 24 03.98 – – 258
2021-08-02 08:19:02 S 00 36 43.445 -34 24 04.01 – – 258
2021-08-02 08:19:07 S 00 36 43.452 -34 24 03.94 – – 258
2021-08-02 14:18:40 S 00 36 43.403 -34 21 55.27 – – 258
2021-08-02 14:18:45 S 00 36 43.412 -34 21 55.21 – – 258
2021-08-02 14:18:50 S 00 36 43.407 -34 21 55.20 – – 258
2021-08-02 14:18:55 S 00 36 43.400 -34 21 55.22 – – 258
2021-08-02 14:19:00 S 00 36 43.408 -34 21 55.15 – – 258
2021-08-02 14:19:05 S 00 36 43.403 -34 21 55.15 – – 258
2021-08-02 22:05:21 S 00 36 42.982 -34 19 06.55 – – 258
2021-08-02 22:05:26 S 00 36 42.974 -34 19 06.55 – – 258
2021-08-02 22:05:31 S 00 36 42.985 -34 19 06.47 – – 258
2021-08-02 22:05:36 S 00 36 42.983 -34 19 06.45 – – 258
2021-08-02 22:05:40 S 00 36 42.980 -34 19 06.44 – – 258
2021-08-02 22:05:45 S 00 36 42.978 -34 19 06.42 – – 258
2021-08-02 22:05:50 S 00 36 42.974 -34 19 06.41 – – 258
2021-08-02 22:05:55 S 00 36 42.967 -34 19 06.42 – – 258
2021-08-02 22:06:00 S 00 36 42.977 -34 19 06.34 – – 258
2021-08-05 04:22:38 C 00 33 45.41 -33 56 42.9 – X W86
2021-08-05 04:27:04 C 00 33 45.37 -33 56 41.2 – X W86
2021-08-05 04:31:31 C 00 33 45.32 -33 56 39.2 – X W86
2021-08-05 04:35:59 C 00 33 45.28 -33 56 37.6 – X W86
2021-08-05 04:40:25 C 00 33 45.24 -33 56 35.7 – X W86
2021-08-05 04:44:51 C 00 33 45.20 -33 56 33.8 – X W86
2021-08-09 06:04:55 C 00 32 26.15 -33 11 04.3 – V W94
2021-08-09 06:13:19 C 00 32 25.94 -33 11 00.2 – V W94
2021-08-09 06:21:34 C 00 32 25.75 -33 10 56.0 – V W94
2021-08-13 12:30:36 C 00 29 42.30 -32 13 56.2 – V T08
2021-08-13 12:31:16 C 00 29 42.24 -32 13 55.1 – V T08
2021-08-13 12:38:35 C 00 29 41.94 -32 13 50.4 – V T08
2021-08-13 12:41:15 C 00 29 41.87 -32 13 47.1 – V T08
2021-08-29 11:44:46 C 00 05 20.556 -26 17 52.10 – U F52
2021-08-29 12:14:19 C 00 05 17.578 -26 17 12.65 – U F52
2021-08-29 12:29:04 C 00 05 16.101 -26 16 52.70 – U F52
2021-08-30 02:53:00 C 00 03 53.73 -25 57 05.9 – X Y00
2021-08-30 03:01:29 C 00 03 52.87 -25 56 54.4 – X Y00