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
2021-09-08 22:57:54 C 22 12 18.46 -01 31 13.6 V L38
2021-09-09 03:28:42 C 22 11 58.48 -01 41 02.1 V G40
2021-09-09 03:38:13 C 22 11 57.79 -01 41 23.4 V G40
2021-09-09 03:48:15 C 22 11 57.01 -01 41 45.7 V G40
2021-09-09 03:58:11 C 22 11 56.34 -01 42 08.3 V G40
2021-09-09 04:06:05 C 22 11 59.70 -01 42 29.3 V 703
2021-09-09 04:14:06 C 22 11 59.14 -01 42 47.6 V 703
2021-09-09 04:30:08 C 22 11 57.81 -01 43 23.7 V 703
2021-09-09 09:53:21 C 22 11 34.47 -01 55 27.9 V T05
2021-09-09 09:58:37 C 22 11 34.06 -01 55 39.9 V T05
2021-09-09 10:09:53 C 22 11 33.13 -01 56 05.3 V T05
2021-09-09 11:00:49 C 22 11 29.04 -01 58 02.0 V T05
2021-09-09 18:42:12 C 22 11 00.13 -02 16 11.2 V L18
2021-09-09 18:46:38 C 22 10 59.80 -02 16 22.0 V L18
2021-09-09 18:51:04 C 22 10 59.46 -02 16 31.9 V L18
2021-09-09 18:55:30 C 22 10 59.14 -02 16 42.7 V L18
2021-09-09 18:59:56 C 22 10 58.82 -02 16 53.1 V L18
2021-09-09 19:05:19 C 22 10 58.40 -02 17 05.6 V L18
2021-09-09 19:52:18 C 22 10 54.24 -02 18 55.2 X L76
2021-09-09 19:58:13 C 22 10 53.78 -02 19 09.1 X L76
2021-09-09 20:04:07 C 22 10 53.32 -02 19 22.8 X L76
2021-09-09 20:23:40 C 22 10 52.72 -02 20 11.4 V G34
2021-09-09 20:26:47 C 22 10 52.46 -02 20 18.8 V G34
2021-09-09 20:29:53 C 22 10 52.23 -02 20 25.5 V G34
2021-09-09 20:32:59 C 22 10 52.03 -02 20 33.4 V G34
2021-09-09 20:39:12 C 22 10 51.51 -02 20 47.4 V G34
2021-09-09 20:54:44 C 22 10 50.30 -02 21 24.6 V G34
2021-09-10 13:53:46 C 22 09 38.98 -03 02 18.4 V D29
2021-09-10 14:14:08 C 22 09 37.28 -03 03 09.1 V D29
2021-09-10 14:34:29 C 22 09 35.57 -03 03 59.5 V D29
2021-09-11 04:07:16 C 22 08 38.00 -03 38 18.9 V G96
2021-09-11 04:14:51 C 22 08 37.27 -03 38 38.6 V G96
2021-09-11 04:22:27 C 22 08 36.73 -03 38 58.2 V G96
2021-09-11 04:30:01 C 22 08 36.09 -03 39 17.7 V G96
2021-09-11 04:38:51 C 22 08 35.33 -03 39 40.2 V 703
2021-09-11 04:46:27 C 22 08 34.66 -03 40 00.4 V 703
2021-09-11 04:54:05 C 22 08 34.08 -03 40 20.1 V 703
2021-09-11 05:01:41 C 22 08 33.36 -03 40 39.8 V 703
2021-09-11 14:02:11 C 22 07 53.10 -04 04 18.9 V D29
2021-09-11 14:22:33 C 22 07 51.31 -04 05 13.4 V D29
2021-09-11 14:42:55 C 22 07 49.52 -04 06 07.4 V D29
2021-09-12 06:23:40 C 22 06 37.70 -04 48 51.9 V G96
2021-09-12 06:31:15 C 22 06 36.99 -04 49 13.0 V G96
2021-09-12 06:38:50 C 22 06 36.32 -04 49 34.2 V G96
2021-09-12 06:46:24 C 22 06 35.64 -04 49 55.3 V G96
2021-09-13 10:09:02 C 22 04 24.82 -06 09 17.4 V T05
2021-09-13 10:13:40 C 22 04 24.39 -06 09 31.6 V T05
2021-09-13 10:22:19 C 22 04 23.53 -06 09 57.3 V T05
2021-09-13 11:05:56 C 22 04 19.36 -06 12 09.3 V T05
2021-09-14 03:59:43 C 22 02 58.47 -07 04 46.7 V 703