2021 MD

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3250957533 ± 1.50e-08
Semi-major axis (a)1.5765887138 AU ± 3.40e-09
Inclination (i)8.51356099° ± 2.98e-06
Long. of Asc. Node (Ω)145.26127258° ± 1.24e-05
Arg. of Perihelion (ω)108.86119467° ± 1.73e-05
Mean Anomaly (M)90.59727601° ± 6.21e-06
Mean Motion (n)0.4978914360°/day ± 1.61e-09
Perihelion dist (q)1.06404642 AU ± 2.37e-08
Aphelion dist (Q)2.08913101 AU ± 2.40e-08
Orbital Period1.97960080 yr ± 6.40e-09
Physical Parameters
H (abs. magnitude)23.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.225″
Uncertainty0
Orbit TypeAmor
MOID0.131832 AU
Observations Used116
Oppositions3
Arc Total2017-2023
First Observation Used2017-03-04
Last Observation Used2023-08-19
Observations (117)
Date Type RA Dec Mag Band Observatory
2017-03-04 12:09:51 C 11 17 04.875 +14 35 05.79 V F51
2017-03-04 13:01:50 C 11 17 02.569 +14 36 08.13 V F51
2017-03-04 13:35:53 C 11 17 01.060 +14 36 48.74 V F51
2017-04-26 06:22:59 C 10 44 27.193 +34 34 22.12 V F51
2017-07-14 06:43:48 C 14 36 50.463 +12 38 03.48 V F51
2017-07-14 07:34:56 C 14 37 00.066 +12 36 19.17 V F51
2017-07-14 07:42:35 C 14 37 01.503 +12 36 03.45 V F51
2019-05-15 09:37:43 C 12 24 32.611 +43 40 38.44 V F51
2019-05-15 09:53:42 C 12 24 33.662 +43 40 41.64 V F51
2019-05-21 09:23:49 C 12 37 00.128 +44 05 34.67 V F51
2019-05-21 09:45:25 C 12 37 02.026 +44 05 35.34 V F51
2019-07-01 09:57:56 C 15 13 43.450 +31 24 07.93 V F51
2019-07-01 10:16:35 C 15 13 47.159 +31 23 28.10 V F51
2019-07-05 08:58:18 C 15 33 54.165 +27 53 32.44 V F51
2019-07-05 09:35:09 C 15 34 01.570 +27 52 02.60 V F51
2019-07-05 09:53:30 C 15 34 05.255 +27 51 17.94 V F51
2019-07-25 08:50:14 C 17 14 46.972 +04 45 02.04 V F52
2019-07-25 09:06:54 C 17 14 50.047 +04 44 11.50 V F52
2019-07-25 09:23:34 C 17 14 53.123 +04 43 21.24 V F52
2019-07-25 09:40:17 C 17 14 56.214 +04 42 31.33 V F52
2019-08-24 07:20:23 C 19 11 56.420 -19 37 25.11 V F51
2019-08-24 07:35:11 C 19 11 58.236 -19 37 40.25 V F51
2019-08-24 07:49:56 C 19 12 00.043 -19 37 55.40 V F51
2021-03-19 10:03:56 C 13 35 05.269 +13 43 58.64 V F51
2021-03-19 10:21:17 C 13 35 06.020 +13 44 25.52 V F51
2021-03-19 10:38:40 C 13 35 06.780 +13 44 52.44 V F51
2021-04-05 09:00:41 C 13 56 29.62 +25 53 27.4 V G96
2021-04-05 09:08:52 C 13 56 30.02 +25 53 43.6 V G96
2021-04-05 09:17:02 C 13 56 30.37 +25 54 00.2 V G96
2021-04-29 10:20:41 C 14 38 31.947 +43 38 13.53 V F51
2021-04-29 10:24:42 C 14 38 32.295 +43 38 19.42 V F51
2021-06-15 05:36:55 C 17 53 24.48 +49 07 46.5 V G96
2021-06-15 05:52:46 C 17 53 27.41 +49 07 28.0 V G96
2021-06-16 11:19:33 C 17 59 25.441 +48 26 55.08 U F51
2021-06-16 12:00:21 C 17 59 32.694 +48 25 54.59 U F51
2021-06-16 12:20:49 C 17 59 36.424 +48 25 23.97 U F51
2021-06-16 23:52:36 C 18 01 58.21 +48 08 08.6 V L01
2021-06-16 23:59:21 C 18 01 59.48 +48 07 58.7 V L01
2021-06-17 00:06:09 C 18 02 00.74 +48 07 48.4 V L01
2021-06-17 00:12:57 C 18 02 01.99 +48 07 38.0 V L01
2021-06-17 00:20:14 C 18 02 03.36 +48 07 26.7 V L01
2021-06-17 05:19:27 C 18 03 05.77 +48 00 04.5 u H21
2021-06-17 05:31:32 C 18 03 07.94 +47 59 46.7 u H21
2021-06-17 05:46:02 C 18 03 10.58 +47 59 25.1 u H21
2021-06-17 09:35:29 C 18 03 53.80 +47 53 40.8 V V06
2021-06-17 09:46:52 C 18 03 55.81 +47 53 22.7 V V06
2021-06-17 09:52:33 C 18 03 56.83 +47 53 13.7 V V06
2021-06-18 05:51:41 C 18 07 59.65 +47 22 00.0 u H21
2021-06-18 06:19:31 C 18 08 04.59 +47 21 15.5 u H21
2021-06-20 09:04:50 C 18 17 59.01 +45 55 19.5 V G96