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
2021-09-26 00:42:14 C 21 27 21.69 -30 12 29.2 u 807
2021-09-26 23:43:14 C 21 22 43.04 -32 56 13.6 V W94
2021-09-26 23:51:41 C 21 22 41.06 -32 57 15.7 V W94
2021-09-27 00:00:16 C 21 22 39.00 -32 58 19.1 V W94
2021-09-28 07:36:45 C 21 15 19.89 -36 57 07.3 V T05
2021-09-28 07:41:22 C 21 15 18.61 -36 57 43.3 V T05
2021-09-28 07:49:17 C 21 15 16.38 -36 58 44.3 V T05
2021-09-28 08:03:52 C 21 15 12.29 -37 00 36.5 V T05
2021-09-28 23:30:24 C 21 11 18.33 -39 00 56.5 V W94
2021-09-28 23:38:46 C 21 11 15.83 -39 02 04.0 V W94
2021-09-28 23:47:04 C 21 11 13.35 -39 03 10.9 V W94
2021-09-29 01:00:43 C 21 10 47.97 -39 13 01.0 q Y00
2021-09-29 01:06:19 C 21 10 46.41 -39 13 44.7 q Y00
2021-09-29 01:11:16 C 21 10 44.78 -39 14 23.7 q Y00
2021-09-30 07:23:02 C 21 01 54.25 -43 21 31.5 V T08
2021-09-30 07:27:41 C 21 01 52.57 -43 22 08.5 V T08
2021-09-30 07:37:38 C 21 01 49.05 -43 23 31.3 V T08
2021-09-30 07:53:35 C 21 01 43.36 -43 25 42.7 V T08
2021-09-30 08:00:55 C 21 01 40.74 -43 26 43.3 V T08
2021-09-30 08:16:10 C 21 01 35.24 -43 28 49.1 V T08
2021-10-01 19:45:43 S 20 48 57.019 -48 27 34.02 L C51
2021-10-02 00:27:56 S 20 47 02.815 -49 07 52.82 L C51
2022-02-10 11:24:20 C 13 29 29.04 -14 57 55.3 V G96
2022-02-10 11:37:05 C 13 29 28.86 -14 57 43.5 V G96
2022-02-10 11:46:58 C 13 29 28.64 -14 57 35.5 V G96
2022-02-10 11:54:21 C 13 29 28.47 -14 57 29.1 V G96
2022-02-27 12:41:22 C 13 14 59.759 -07 59 23.66 U F52
2022-02-27 12:57:57 C 13 14 58.734 -07 59 04.46 U F52
2022-02-27 13:14:31 C 13 14 57.710 -07 58 45.09 U F52
2022-02-27 13:31:06 C 13 14 56.693 -07 58 25.82 U F52
2022-03-07 08:34:05 C 13 03 00.68 -04 14 09.1 V G96
2022-03-07 08:42:15 C 13 03 00.05 -04 13 59.1 V G96
2022-03-07 08:50:25 C 13 02 59.41 -04 13 49.3 V G96
2022-03-07 08:58:33 C 13 02 58.82 -04 13 38.5 V G96
2022-03-07 13:36:09 C 13 02 38.927 -04 07 57.71 U F52
2022-03-07 13:51:51 C 13 02 37.757 -04 07 38.86 U F52
2022-03-07 14:23:14 C 13 02 35.406 -04 07 00.41 U F52
2022-04-03 09:21:24 C 12 17 32.990 +06 53 13.97 U F52
2022-04-03 09:39:48 C 12 17 31.929 +06 53 27.27 U F52
2022-04-03 09:58:21 C 12 17 30.787 +06 53 40.55 U F52