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
2021-09-11 05:57:58 C 23 29 24.73 -17 08 25.9 V 703
2021-09-11 06:05:37 C 23 29 23.68 -17 08 08.3 V 703
2021-09-11 15:49:14 C 23 28 03.97 -16 45 51.0 V D29
2021-09-11 16:13:25 C 23 28 00.52 -16 44 55.3 V D29
2021-09-11 16:37:36 C 23 27 57.09 -16 43 59.3 V D29
2021-09-13 05:43:53 C 23 22 51.20 -15 16 14.3 V G96
2021-09-13 06:11:40 C 23 22 47.20 -15 15 07.3 V G96
2021-09-13 06:18:30 C 23 22 46.21 -15 14 50.9 V G96
2021-09-13 06:25:17 C 23 22 45.22 -15 14 34.4 V G96
2021-09-13 16:01:06 C 23 21 24.842 -14 50 52.30 V P07
2021-09-13 16:04:00 C 23 21 24.427 -14 50 45.35 V P07
2021-09-13 16:55:10 C 23 21 16.961 -14 48 39.74 V P07
2021-09-13 18:14:24 C 23 21 05.405 -14 45 24.73 V P07
2021-09-13 18:15:48 C 23 21 05.222 -14 45 21.42 V P07
2021-09-13 19:28:24 C 23 20 54.713 -14 42 21.42 V P07
2021-09-13 19:31:36 C 23 20 54.271 -14 42 14.11 V P07
2021-09-14 05:37:23 C 23 19 31.18 -14 17 37.6 V 703
2021-09-14 05:44:21 C 23 19 30.17 -14 17 20.2 V G96
2021-09-14 05:45:01 C 23 19 30.08 -14 17 18.4 V 703
2021-09-14 05:51:58 C 23 19 29.07 -14 17 01.2 V G96
2021-09-14 05:52:40 C 23 19 28.96 -14 16 59.4 V 703
2021-09-14 05:59:35 C 23 19 27.95 -14 16 42.3 V G96
2021-09-14 06:00:18 C 23 19 27.82 -14 16 40.4 V 703
2021-09-14 06:07:14 C 23 19 26.84 -14 16 23.4 V G96
2021-09-14 07:51:23 C 23 19 12.72 -14 11 59.2 V T08
2021-09-14 08:00:02 C 23 19 11.46 -14 11 38.0 V T08
2021-09-14 08:19:17 C 23 19 08.65 -14 10 50.2 V T08
2021-09-14 09:36:29 V 23 18 57.88 -14 07 12.8 V 247
2021-09-14 09:36:29 v 1 172.5876 -43.4953 247
2021-09-14 09:41:31 V 23 18 57.16 -14 07 00.4 V 247
2021-09-14 09:41:31 v 1 172.5876 -43.4953 247
2021-09-14 09:46:35 V 23 18 56.40 -14 06 47.5 V 247
2021-09-14 09:46:35 v 1 172.5876 -43.4953 247
2021-09-14 09:51:39 V 23 18 55.66 -14 06 35.2 V 247
2021-09-14 09:51:39 v 1 172.5876 -43.4953 247
2021-09-15 08:41:49 C 23 15 41.67 -13 09 19.1 U I41
2021-09-15 09:54:54 C 23 15 30.97 -13 06 11.3 U I41
2021-09-16 06:27:54 C 23 12 37.45 -12 13 01.1 o 691
2021-09-16 06:36:10 C 23 12 36.22 -12 12 39.7 o 691
2021-09-16 06:44:23 C 23 12 35.01 -12 12 17.8 o 691
2021-09-17 00:29:46 C 23 10 04.84 -11 25 08.2 u 807
2021-09-17 00:33:40 C 23 10 04.35 -11 24 56.2 u 807
2021-09-17 00:37:38 C 23 10 03.69 -11 24 45.6 u 807
2021-09-17 06:02:28 C 23 09 16.85 -11 10 47.5 U I41
2021-09-17 06:03:49 C 23 09 16.65 -11 10 44.0 U I41
2021-09-17 06:18:12 C 23 09 14.52 -11 10 05.6 U I41
2021-09-17 06:18:52 C 23 09 14.42 -11 10 03.9 U I41
2021-09-17 08:12:10 C 23 08 57.64 -11 05 01.4 U I41
2021-09-17 08:13:32 C 23 08 57.44 -11 04 57.8 U I41
2021-09-17 10:07:36 C 23 08 41.44 -10 59 49.0 V T05