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
2021-12-06 04:57:34 C 02 51 49.28 -16 55 50.9 V G96
2021-12-06 05:05:43 C 02 51 51.05 -16 55 28.0 V G96
2021-12-07 12:56:47 C 02 59 01.45 -15 24 52.6 V R66
2021-12-07 13:04:31 C 02 59 03.12 -15 24 29.8 V R66
2021-12-07 13:12:14 C 02 59 04.71 -15 24 08.8 V R66
2021-12-07 19:47:11 C 03 00 35.02 -15 06 58.5 V K74
2021-12-07 19:50:38 C 03 00 35.76 -15 06 48.9 V K74
2021-12-07 19:53:40 C 03 00 36.38 -15 06 40.4 V K74
2021-12-09 05:44:18 C 03 07 55.39 -13 31 58.5 V 703
2021-12-09 05:51:56 C 03 07 56.90 -13 31 37.2 V 703
2021-12-09 05:59:33 C 03 07 58.44 -13 31 15.6 V 703
2021-12-09 06:07:11 C 03 07 59.95 -13 30 54.7 V 703
2021-12-11 20:07:09 C 03 20 45.73 -10 40 31.2 V G17
2021-12-11 20:26:47 C 03 20 49.41 -10 39 38.0 V G17
2021-12-11 20:42:14 C 03 20 52.30 -10 38 57.0 V G17
2021-12-12 07:41:26 C 03 23 02.40 -10 08 59.5 V T08
2021-12-12 07:44:45 C 03 23 02.96 -10 08 50.2 V T08
2021-12-12 07:48:44 C 03 23 03.72 -10 08 39.6 V T08
2021-12-12 08:24:36 C 03 23 10.21 -10 07 03.3 V T08
2021-12-12 20:16:23 C 03 25 29.17 -09 35 29.3 V G17
2021-12-12 20:26:43 C 03 25 31.05 -09 35 01.5 V G17
2021-12-12 20:37:04 C 03 25 32.96 -09 34 34.4 V G17
2021-12-16 22:11:27 C 03 43 19.92 -05 22 47.9 V Z99
2021-12-16 22:14:27 C 03 43 20.41 -05 22 40.7 V Z99
2021-12-16 22:17:27 C 03 43 20.90 -05 22 32.9 V Z99
2021-12-16 22:20:25 C 03 43 21.38 -05 22 25.9 V Z99
2021-12-16 22:23:22 C 03 43 21.88 -05 22 18.4 V Z99
2021-12-20 21:29:51 C 03 58 52.09 -01 37 01.7 X K87
2021-12-20 21:52:04 C 03 58 55.30 -01 36 11.3 X K87
2021-12-20 22:14:15 C 03 58 58.56 -01 35 21.4 X K87
2021-12-21 15:20:04 C 04 01 34.84 -00 57 03.4 V D29
2021-12-21 15:38:28 C 04 01 37.44 -00 56 22.8 V D29
2021-12-21 15:56:53 C 04 01 40.03 -00 55 42.4 V D29
2021-12-23 14:46:27 C 04 08 34.35 +00 44 57.4 V D29
2021-12-23 15:13:11 C 04 08 37.93 +00 45 53.4 V D29
2021-12-25 08:23:09 C 04 14 24.90 +02 09 57.7 V T08
2021-12-25 08:34:32 C 04 14 26.38 +02 10 20.8 V T08
2021-12-25 08:39:11 C 04 14 26.91 +02 10 29.5 V T08
2021-12-25 09:08:01 C 04 14 30.61 +02 11 26.4 V T08
2021-12-29 13:30:59 C 04 27 35.88 +05 18 26.9 V D29
2021-12-29 13:51:20 C 04 27 38.28 +05 19 03.2 V D29
2021-12-29 14:11:42 C 04 27 40.62 +05 19 38.8 V D29
2021-12-29 20:52:16 C 04 28 30.33 +05 31 07.9 V 130
2021-12-29 20:56:39 C 04 28 30.83 +05 31 15.3 V 130
2021-12-29 21:01:35 C 04 28 31.39 +05 31 23.6 V 130
2022-01-01 20:02:48 C 04 36 59.75 +07 28 24.6 V A17
2022-01-01 20:14:06 C 04 37 00.98 +07 28 42.3 V A17
2022-01-01 20:25:22 C 04 37 02.20 +07 28 59.7 V A17
2022-01-02 14:48:28 C 04 39 07.94 +07 57 37.0 V D29
2022-01-02 15:08:50 C 04 39 10.09 +07 58 08.2 V D29