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
2021-06-25 22:16:19 C 23 11 37.67 +17 23 08.1 V 587
2021-06-25 22:38:16 C 23 11 21.85 +17 28 02.0 V 587
2021-06-25 22:40:24 C 23 11 20.33 +17 28 30.6 V 587
2021-06-25 22:43:03 C 23 11 18.36 +17 29 06.8 V 587
2021-06-25 22:55:00 C 23 11 08.93 +17 31 31.1 V J69
2021-06-25 23:00:46 C 23 11 05.44 +17 33 04.3 V 587
2021-06-25 23:01:26 C 23 11 04.32 +17 32 56.4 V J69
2021-06-25 23:03:39 C 23 11 03.33 +17 33 43.2 V 587
2021-06-25 23:05:09 C 23 11 02.06 +17 34 05.7 V 595
2021-06-25 23:08:19 C 23 11 00.19 +17 34 52.4 V K83
2021-06-25 23:12:04 C 23 10 57.42 +17 35 42.7 V K83
2021-06-25 23:12:58 C 23 10 56.32 +17 35 51.3 V 595
2021-06-25 23:15:49 C 23 10 54.69 +17 36 33.0 V K83
2021-06-26 00:06:26 C 23 10 18.12 +17 47 53.0 V B49
2021-06-26 00:08:46 C 23 10 16.38 +17 48 23.9 V B49
2021-06-26 00:12:18 C 23 10 13.75 +17 49 11.5 V B49
2021-06-26 00:19:16 C 23 10 08.60 +17 50 45.7 V B49
2021-06-26 01:03:35 C 23 09 34.22 +18 00 35.1 V 204
2021-06-26 01:08:13 C 23 09 30.71 +18 01 41.4 V G18
2021-06-26 01:08:38 C 23 09 30.42 +18 01 43.1 V 204
2021-06-26 01:12:05 C 23 09 28.72 +18 05 53.0 V L81
2021-06-26 01:13:42 C 23 09 26.60 +18 02 50.8 V 204
2021-06-26 01:14:19 C 23 09 26.13 +18 02 59.8 V 203
2021-06-26 01:18:46 C 23 09 22.75 +18 03 58.9 V 204
2021-06-26 01:20:18 C 23 09 22.40 +18 07 43.4 V L81
2021-06-26 01:22:23 C 23 09 20.03 +18 04 48.1 V 203
2021-06-26 01:23:50 C 23 09 18.93 +18 05 06.8 V 204
2021-06-26 01:24:11 C 23 09 18.49 +18 05 15.4 V G18
2021-06-26 01:28:39 C 23 09 15.95 +18 09 35.4 V L81
2021-06-26 06:08:55 C 23 05 51.63 +19 08 47.3 Z W33
2021-06-26 06:22:27 C 23 05 41.24 +19 11 50.4 Z W33
2021-06-26 06:35:58 C 23 05 30.74 +19 14 53.8 Z W33
2021-06-26 12:53:41 C 23 00 42.67 +20 40 10.7 V T05
2021-06-26 12:56:21 C 23 00 40.49 +20 40 46.6 V T05
2021-06-26 13:06:15 C 23 00 32.48 +20 43 01.1 V T05
2021-06-26 13:25:22 C 23 00 16.81 +20 47 20.1 V T05
2021-06-27 08:05:52 C 22 45 23.61 +24 56 40.9 V I52
2021-06-27 08:06:57 C 22 45 22.67 +24 56 55.6 V I52
2021-06-27 08:08:02 C 22 45 21.73 +24 57 10.4 V I52
2021-06-27 14:49:30 C 22 39 33.39 +26 27 09.5 V F65
2021-06-27 14:49:45 C 22 39 33.15 +26 27 12.9 V F65
2021-06-27 14:50:01 C 22 39 32.91 +26 27 16.4 V F65
2021-06-27 23:57:02 C 22 31 45.44 +28 25 12.3 V 130
2021-06-27 23:58:20 C 22 31 44.26 +28 25 29.4 V 130
2021-06-27 23:59:39 C 22 31 43.06 +28 25 46.7 V 130
2021-06-28 00:01:04 C 22 31 41.75 +28 26 05.5 V 130
2021-06-28 00:07:18 C 22 31 33.13 +28 27 37.7 V 089
2021-06-28 00:10:53 C 22 31 29.82 +28 28 25.5 V 089
2021-06-28 00:14:28 C 22 31 26.50 +28 29 13.1 V 089
2021-06-28 13:32:09 C 22 19 21.25 +31 20 44.0 V T08