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
2025-01-19 12:23:24 C 09 46 47.471 +11 46 33.85 V G96
2025-01-20 14:51:42 C 09 45 14.055 +12 02 54.68 X F52
2025-01-20 15:04:30 C 09 45 13.238 +12 03 02.61 X F52
2025-01-20 15:17:21 C 09 45 12.439 +12 03 10.49 X F52
2025-01-20 15:30:09 C 09 45 11.630 +12 03 18.40 X F52
2025-01-26 08:15:54 C 09 36 47.740 +13 27 28.12 V G96
2025-01-26 08:23:18 C 09 36 47.264 +13 27 32.47 V G96
2025-01-26 08:30:42 C 09 36 46.786 +13 27 37.30 V G96
2025-01-26 08:38:07 C 09 36 46.307 +13 27 41.44 V G96
2025-02-03 08:24:17 C 09 24 46.177 +15 19 35.87 V G96
2025-02-03 08:32:22 C 09 24 45.673 +15 19 40.26 V G96
2025-02-03 08:40:28 C 09 24 45.097 +15 19 45.34 V G96
2025-02-03 08:48:32 C 09 24 44.615 +15 19 50.16 V G96
2025-02-05 05:59:29 C 09 22 02.237 +15 44 10.03 V G96
2025-02-05 06:07:37 C 09 22 01.729 +15 44 14.24 V G96
2025-02-05 06:15:43 C 09 22 01.232 +15 44 18.46 V G96
2025-02-05 06:23:50 C 09 22 00.721 +15 44 22.85 V G96
2025-02-06 02:28:03 B 09 20 49.273 +15 54 50.69 Z Y89
2025-02-06 02:49:13 B 09 20 47.993 +15 55 01.20 Z Y89
2025-02-06 03:10:25 B 09 20 46.715 +15 55 12.05 Z Y89
2025-02-27 06:16:23 C 08 59 07.139 +19 05 28.82 X F52
2025-02-27 06:33:51 C 08 59 06.695 +19 05 33.25 X F52
2025-02-27 06:51:19 C 08 59 06.199 +19 05 37.50 X F52
2025-03-03 03:08:55 C 08 57 12.78 +19 24 34.4 V H21
2025-03-03 03:27:21 C 08 57 12.45 +19 24 37.9 V H21
2025-03-03 10:01:12 C 08 57 05.629 +19 25 51.56 X F51
2025-03-03 10:18:39 C 08 57 05.294 +19 25 54.67 X F51
2025-03-03 10:36:04 C 08 57 04.954 +19 25 57.49 X F51