2021 MD1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5212800213 ± 5.05e-08
Semi-major axis (a)2.5648533163 AU ± 1.47e-08
Inclination (i)26.61146234° ± 7.68e-06
Long. of Asc. Node (Ω)223.41591326° ± 6.81e-06
Arg. of Perihelion (ω)104.24472884° ± 1.62e-05
Mean Anomaly (M)23.62373418° ± 4.41e-06
Mean Motion (n)0.2399487417°/day ± 2.06e-09
Perihelion dist (q)1.22784652 AU ± 1.30e-07
Aphelion dist (Q)3.90186011 AU ± 1.31e-07
Orbital Period4.10765348 yr ± 3.53e-08
Physical Parameters
H (abs. magnitude)19.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.213″
Uncertainty0
Orbit TypeAmor
MOID0.451360 AU
Observations Used124
Oppositions6
Arc Total2017-2025
First Observation Used2017-11-24
Last Observation Used2025-12-24
Observations (136)
Date Type RA Dec Mag Band Observatory
2025-10-04 09:11:27 C 23 32 28.303 +49 30 26.46 X F51
2025-10-04 09:22:05 C 23 32 29.245 +49 30 02.06 X F51
2025-10-20 18:24:13 C 00 05 22.20 +32 56 18.3 V K88
2025-10-20 18:27:25 C 00 05 22.48 +32 56 09.8 V K88
2025-10-22 05:07:37 C 00 07 51.542 +31 27 50.98 V 703
2025-10-22 05:18:12 C 00 07 52.187 +31 27 25.49 V 703
2025-10-22 08:41:53 C 00 08 06.674 +31 18 55.37 V T08
2025-10-22 08:46:30 C 00 08 06.991 +31 18 42.23 V T08
2025-10-22 08:54:07 C 00 08 07.495 +31 18 23.11 V T08
2025-10-22 09:12:29 C 00 08 08.556 +31 17 35.56 V T08
2025-10-26 04:32:20 C 00 14 29.317 +27 31 43.36 V G96
2025-10-26 04:40:29 C 00 14 29.843 +27 31 23.92 V G96
2025-10-26 04:48:37 C 00 14 30.347 +27 31 04.48 V G96
2025-10-26 04:56:47 C 00 14 30.858 +27 30 44.68 V G96
2025-11-09 05:05:13 C 00 35 57.465 +15 52 54.51 X F52
2025-11-09 05:24:57 C 00 35 58.601 +15 52 20.91 X F52
2025-11-09 05:44:26 C 00 35 59.723 +15 51 47.89 X F52
2025-11-09 06:04:00 C 00 36 00.839 +15 51 14.50 X F52
2025-11-14 02:09:14 C 00 42 58.565 +12 47 59.93 V G96
2025-11-14 02:17:22 C 00 42 58.961 +12 47 48.55 V G96
2025-11-14 02:25:29 C 00 42 59.404 +12 47 36.71 V G96
2025-11-14 02:33:35 C 00 42 59.908 +12 47 25.15 V G96
2025-11-20 11:07:48 C 00 51 58.85 +09 30 25.8 V D29
2025-11-20 11:28:10 C 00 52 00.02 +09 30 02.2 V D29
2025-11-20 11:48:32 C 00 52 01.09 +09 29 39.5 V D29
2025-11-25 05:05:13 C 00 58 38.115 +07 32 42.54 X F51
2025-11-25 05:21:31 C 00 58 39.024 +07 32 27.29 X F51
2025-11-25 05:54:19 C 00 58 40.836 +07 31 56.76 X F51
2025-12-14 14:45:33 C 01 25 51.226 +02 51 16.86 W O18
2025-12-14 15:43:05 C 01 25 54.536 +02 50 57.41 W O18
2025-12-16 13:42:12 C 01 28 37.588 +02 36 26.75 W O18
2025-12-16 13:45:18 C 01 28 37.763 +02 36 25.84 W O18
2025-12-16 14:14:10 C 01 28 39.423 +02 36 17.41 W O18
2025-12-16 14:17:16 C 01 28 39.578 +02 36 16.39 W O18
2025-12-24 14:35:54 C 01 40 06.366 +01 54 03.25 W O18
2025-12-24 15:49:49 C 01 40 10.682 +01 53 52.18 W O18