2021 PY40

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4424173703 ± 2.16e-08
Semi-major axis (a)1.5371537367 AU ± 2.64e-08
Inclination (i)10.42696076° ± 7.37e-06
Long. of Asc. Node (Ω)171.81399373° ± 5.25e-06
Arg. of Perihelion (ω)256.54527431° ± 1.09e-05
Mean Anomaly (M)36.40026008° ± 1.97e-05
Mean Motion (n)0.5171735654°/day ± 1.33e-08
Perihelion dist (q)0.85709022 AU ± 3.63e-08
Aphelion dist (Q)2.21721725 AU ± 5.05e-08
Orbital Period1.90579401 yr ± 4.91e-08
Physical Parameters
H (abs. magnitude)20.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.258″
Uncertainty0
Orbit TypeApollo
MOID0.050164 AU
Observations Used278
Oppositions1
Arc Total2019-2022
First Observation Used2019-06-25
Last Observation Used2022-04-03
Observations (290)
Date Type RA Dec Mag Band Observatory
2021-09-05 22:34:14 C 22 16 47.29 +00 53 10.3 V 246
2021-09-05 22:34:35 C 22 16 47.28 +00 53 10.0 V 246
2021-09-05 22:34:49 C 22 16 47.26 +00 53 09.5 V 246
2021-09-05 22:35:04 C 22 16 47.24 +00 53 08.4 V 246
2021-09-05 22:35:18 C 22 16 47.20 +00 53 08.7 V 246
2021-09-05 22:35:33 C 22 16 47.20 +00 53 08.1 V 246
2021-09-05 22:35:47 C 22 16 47.20 +00 53 07.6 V 246
2021-09-05 22:36:02 C 22 16 47.16 +00 53 07.1 V 246
2021-09-06 05:43:10 C 22 16 23.38 +00 40 23.9 U I41
2021-09-06 05:44:32 C 22 16 23.28 +00 40 21.4 U I41
2021-09-06 06:34:57 C 22 16 19.79 +00 38 49.2 U I41
2021-09-06 06:57:08 C 22 16 18.25 +00 38 08.6 U I41
2021-09-06 20:53:08 C 22 15 28.82 +00 11 54.4 V L18
2021-09-06 20:59:26 C 22 15 28.39 +00 11 42.2 V L18
2021-09-06 21:05:44 C 22 15 27.94 +00 11 29.9 V L18
2021-09-06 21:12:02 C 22 15 27.51 +00 11 18.2 V L18
2021-09-06 21:18:20 C 22 15 27.05 +00 11 06.3 V L18
2021-09-06 22:17:44 C 22 15 23.93 +00 09 11.1 V Z80
2021-09-06 22:27:44 C 22 15 23.23 +00 08 51.7 V Z80
2021-09-06 22:38:10 C 22 15 22.52 +00 08 31.7 V Z80
2021-09-07 04:31:04 C 22 15 02.13 -00 02 40.1 V 703
2021-09-07 04:39:21 C 22 15 01.57 -00 02 56.0 V 703
2021-09-07 04:47:39 C 22 15 00.85 -00 03 13.6 V 703
2021-09-07 04:55:57 C 22 15 00.28 -00 03 29.8 V 703
2021-09-07 10:43:35 C 22 14 36.96 -00 14 46.4 V T08
2021-09-07 10:47:43 C 22 14 36.66 -00 14 54.7 V T08
2021-09-07 10:56:45 C 22 14 36.01 -00 15 12.2 V T08
2021-09-07 11:47:20 C 22 14 32.30 -00 16 53.1 V T08
2021-09-07 20:52:07 C 22 14 00.72 -00 35 35.7 V K87
2021-09-07 20:56:19 C 22 14 00.42 -00 35 44.7 V K87
2021-09-07 21:00:32 C 22 14 00.10 -00 35 53.7 V K87
2021-09-07 21:28:21 C 22 13 58.47 -00 36 51.4 V Z80
2021-09-07 21:35:21 C 22 13 57.99 -00 37 05.7 V Z80
2021-09-07 21:42:21 C 22 13 57.43 -00 37 20.2 V Z80
2021-09-08 14:54:06 C 22 12 50.71 -01 13 23.1 V D29
2021-09-08 15:14:28 C 22 12 49.13 -01 14 08.1 V D29
2021-09-08 15:34:50 C 22 12 47.58 -01 14 52.2 V D29
2021-09-08 19:53:24 C 22 12 31.67 -01 24 25.9 V L18
2021-09-08 19:59:42 C 22 12 31.20 -01 24 39.8 V L18
2021-09-08 20:06:00 C 22 12 30.72 -01 24 53.5 V L18
2021-09-08 20:12:18 C 22 12 30.23 -01 25 07.5 V L18
2021-09-08 20:18:36 C 22 12 29.79 -01 25 21.4 V L18
2021-09-08 20:22:27 C 22 12 30.03 -01 25 28.2 X 595
2021-09-08 20:27:58 C 22 12 29.61 -01 25 40.1 X 595
2021-09-08 20:34:02 C 22 12 29.11 -01 25 53.3 X 595
2021-09-08 21:10:17 C 22 12 26.45 -01 27 16.7 V L38
2021-09-08 21:59:36 C 22 12 22.81 -01 29 04.7 V L38
2021-09-08 22:33:04 C 22 12 19.18 -01 30 16.4 X L76
2021-09-08 22:41:06 C 22 12 18.60 -01 30 34.0 X L76
2021-09-08 22:49:07 C 22 12 17.98 -01 30 52.1 X L76