2021 MK1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2879628689 ± 5.06e-08
Semi-major axis (a)0.8076854243 AU ± 1.80e-08
Inclination (i)19.24242021° ± 1.77e-05
Long. of Asc. Node (Ω)273.98517652° ± 2.91e-06
Arg. of Perihelion (ω)198.99106814° ± 9.62e-06
Mean Anomaly (M)177.32578353° ± 7.18e-05
Mean Motion (n)1.3578409679°/day ± 4.53e-08
Perihelion dist (q)0.57510201 AU ± 4.29e-08
Aphelion dist (Q)1.04026884 AU ± 4.70e-08
Orbital Period0.72587756 yr ± 2.42e-08
Physical Parameters
H (abs. magnitude)21.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.195″
Uncertainty0
Orbit TypeAten
MOID0.000066 AU
Observations Used279
Oppositions2
Arc Total2016-2021
First Observation Used2016-05-28
Last Observation Used2021-08-06
Observations (323)
Date Type RA Dec Mag Band Observatory
2021-07-03 22:00:44 C 20 04 53.46 +49 48 12.8 q G01
2021-07-03 22:02:48 C 20 04 50.89 +49 48 22.3 q G01
2021-07-03 22:33:12 C 20 04 19.54 +49 50 37.2 V Z80
2021-07-03 22:36:47 C 20 04 15.75 +49 50 52.9 V Z80
2021-07-03 22:40:43 C 20 04 09.83 +49 51 20.2 V 033
2021-07-03 22:41:07 C 20 04 09.39 +49 51 22.2 V 033
2021-07-03 22:41:32 C 20 04 08.94 +49 51 24.0 V 033
2021-07-03 22:42:56 C 20 04 07.41 +49 51 30.2 V 033
2021-07-04 02:33:33 C 20 00 12.62 +50 07 45.1 X W34
2021-07-04 02:44:04 C 20 00 01.41 +50 08 32.1 X W34
2021-07-04 02:54:34 C 19 59 50.15 +50 09 18.9 X W34
2021-07-04 13:04:08 C 19 49 05.470 +50 49 12.92 V T12
2021-07-04 13:05:19 C 19 49 04.206 +50 49 16.87 V T12
2021-07-04 13:08:12 C 19 49 01.108 +50 49 26.47 V T12
2021-07-04 21:14:36 C 19 41 03.96 +51 15 19.0 V L06
2021-07-04 21:16:56 C 19 41 01.59 +51 15 26.8 V L06
2021-07-04 21:18:23 C 19 41 00.04 +51 15 32.0 V L06
2021-07-05 20:18:41 C 19 18 48.66 +52 15 23.4 V 587
2021-07-05 20:18:58 C 19 18 48.36 +52 15 24.1 V 587
2021-07-05 20:19:09 C 19 18 48.16 +52 15 24.4 V 587
2021-07-05 20:45:54 C 19 18 22.57 +52 16 26.7 V K38
2021-07-05 20:50:54 C 19 18 17.79 +52 16 38.4 V K38
2021-07-05 20:59:31 C 19 18 09.48 +52 16 58.3 V K38
2021-07-05 21:04:46 C 19 18 04.45 +52 17 10.4 V K38
2021-07-05 21:22:20 C 19 17 46.65 +52 17 42.0 V 033
2021-07-05 21:22:44 C 19 17 46.29 +52 17 42.8 V 033
2021-07-05 21:23:09 C 19 17 45.85 +52 17 43.8 V 033
2021-07-05 21:23:40 C 19 17 45.35 +52 17 44.9 V 033
2021-07-05 21:35:44 C 19 17 34.58 +52 18 20.7 V L06
2021-07-05 21:40:41 C 19 17 29.79 +52 18 31.7 V L06
2021-07-05 21:45:13 C 19 17 25.43 +52 18 41.8 V L06
2021-07-05 23:28:39 C 19 15 45.39 +52 22 16.4 q 215
2021-07-05 23:30:44 C 19 15 43.40 +52 22 20.4 q 215
2021-07-05 23:32:47 C 19 15 41.41 +52 22 24.6 q 215
2021-07-06 01:21:03 C 19 13 57.84 +52 25 42.7 V 033
2021-07-06 01:21:28 C 19 13 57.47 +52 25 43.4 V 033
2021-07-06 01:21:52 C 19 13 57.07 +52 25 44.2 V 033
2021-07-06 02:02:30 C 19 13 21.96 +52 27 57.6 V G40
2021-07-06 02:05:14 C 19 13 19.46 +52 28 02.5 V G40
2021-07-06 08:00:55 C 19 07 59.42 +52 38 29.7 V 703
2021-07-06 08:20:57 C 19 07 40.49 +52 39 01.7 V 703
2021-07-06 08:30:58 C 19 07 31.17 +52 39 15.9 V 703
2021-07-07 09:21:28 C 18 46 31.47 +53 11 09.8 V T08
2021-07-07 09:24:07 C 18 46 29.20 +53 11 12.4 V T08
2021-07-07 09:30:29 C 18 46 23.76 +53 11 18.8 V T08
2021-07-07 09:39:24 C 18 46 16.03 +53 11 27.0 V T08
2021-07-07 21:51:51 C 18 36 39.64 +53 19 38.1 V L18
2021-07-07 21:55:36 C 18 36 36.72 +53 19 40.0 V L18
2021-07-07 21:59:21 C 18 36 33.70 +53 19 42.2 V L18
2021-07-07 22:01:53 C 18 36 33.79 +53 19 38.7 V 033