2021 NM39

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4822309204 ± 1.20e-08
Semi-major axis (a)2.0381858021 AU ± 1.15e-08
Inclination (i)4.73549104° ± 1.28e-06
Long. of Asc. Node (Ω)135.53541595° ± 1.88e-05
Arg. of Perihelion (ω)266.91200464° ± 2.03e-05
Mean Anomaly (M)137.94362628° ± 5.22e-06
Mean Motion (n)0.3387245061°/day ± 2.87e-09
Perihelion dist (q)1.05530959 AU ± 2.52e-08
Aphelion dist (Q)3.02106202 AU ± 2.98e-08
Orbital Period2.90981687 yr ± 2.47e-08
Physical Parameters
H (abs. magnitude)20.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.224″
Uncertainty0
Orbit TypeAmor
MOID0.104491 AU
Observations Used264
Oppositions5
Arc Total2018-2025
First Observation Used2018-07-11
Last Observation Used2025-03-03
Observations (278)
Date Type RA Dec Mag Band Observatory
2021-09-08 11:04:32 C 21 50 30.03 -22 32 31.3 V T05
2021-09-12 13:55:00 C 21 47 56.71 -24 13 16.5 V D29
2021-09-12 14:15:22 C 21 47 56.07 -24 13 37.5 V D29
2021-09-12 14:35:44 C 21 47 55.42 -24 13 58.5 V D29
2021-09-27 01:17:16 C 21 45 12.84 -29 59 20.3 u 807
2021-09-27 01:21:17 C 21 45 12.82 -29 59 24.5 u 807
2021-09-27 01:25:10 C 21 45 12.83 -29 59 28.3 u 807
2021-09-28 00:20:34 C 21 45 32.61 -30 21 01.4 u 807
2021-09-28 00:24:11 C 21 45 32.63 -30 21 04.9 u 807
2021-09-28 00:27:33 C 21 45 32.64 -30 21 08.2 u 807
2021-09-28 07:56:33 C 21 45 38.67 -30 28 38.8 V T05
2021-09-28 08:01:12 C 21 45 38.72 -30 28 41.8 V T05
2021-09-28 08:09:11 C 21 45 38.73 -30 28 49.8 V T05
2021-09-28 08:26:19 C 21 45 38.83 -30 29 05.6 V T05
2021-09-30 08:26:48 C 21 46 37.63 -31 13 17.3 V T08
2021-09-30 08:29:27 C 21 46 37.74 -31 13 20.4 V T08
2021-09-30 08:37:24 C 21 46 37.84 -31 13 27.0 V T08
2021-09-30 08:39:24 C 21 46 37.84 -31 13 27.6 V T08
2021-10-01 06:43:08 C 21 47 13.818 -31 33 24.04 U F52
2021-10-01 06:55:59 C 21 47 14.021 -31 33 35.77 U F52
2021-10-01 07:08:43 C 21 47 14.220 -31 33 47.33 U F52
2021-10-01 07:21:34 C 21 47 14.421 -31 33 58.95 U F52
2021-10-06 07:22:59 C 21 51 52.65 -33 17 19.4 V T05
2021-10-06 07:27:37 C 21 51 52.74 -33 17 24.5 V T05
2021-10-06 07:36:52 C 21 51 53.06 -33 17 32.0 V T05
2021-10-06 07:51:27 C 21 51 53.65 -33 17 43.9 V T05
2021-10-30 08:13:51 C 22 59 56.55 -38 31 44.1 V T05
2021-10-30 08:19:47 C 22 59 57.60 -38 31 44.7 V T05
2021-10-30 08:28:21 C 22 59 59.13 -38 31 45.0 V T05
2021-10-30 08:43:34 C 23 00 01.86 -38 31 46.1 V T05
2021-11-01 07:13:31 C 23 09 28.78 -38 34 51.2 V T08
2021-11-01 07:18:10 C 23 09 29.74 -38 34 51.0 V T08
2021-11-01 07:26:08 C 23 09 31.24 -38 34 51.3 V T08
2021-11-01 07:26:48 C 23 09 31.36 -38 34 50.5 V T08
2021-11-01 07:31:26 C 23 09 32.23 -38 34 50.6 V T08
2021-11-01 07:40:04 C 23 09 33.96 -38 34 50.8 V T08
2021-11-01 07:41:23 C 23 09 34.18 -38 34 50.6 V T08
2021-11-01 07:55:19 C 23 09 36.84 -38 34 50.3 V T08
2021-11-05 07:08:09 C 23 30 54.12 -38 22 45.3 V T08
2021-11-05 07:13:27 C 23 30 55.31 -38 22 42.5 V T08
2021-11-05 07:22:44 C 23 30 57.23 -38 22 41.2 V T08
2021-11-05 07:41:22 C 23 31 01.37 -38 22 35.7 V T08
2021-11-11 07:49:13 C 00 07 50.28 -37 06 13.9 V T05
2021-11-11 08:39:37 C 00 08 03.03 -37 05 31.0 V T05
2021-11-11 08:44:56 C 00 08 04.38 -37 05 25.7 V T05
2021-11-11 08:52:17 C 00 08 06.28 -37 05 19.7 V T05
2021-11-19 07:58:46 C 01 02 38.32 -33 08 43.4 V T05
2021-11-19 08:03:23 C 01 02 39.60 -33 08 35.6 V T05
2021-11-19 08:13:16 C 01 02 42.28 -33 08 19.0 V T05
2021-11-19 08:30:24 C 01 02 46.95 -33 07 49.7 V T05