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
2021-06-28 13:37:27 C 22 19 16.00 +31 21 50.8 V T08
2021-06-28 13:42:11 C 22 19 11.34 +31 22 50.6 V T08
2021-06-28 14:02:57 C 22 18 50.81 +31 27 11.3 V T08
2021-06-28 23:52:27 C 22 09 38.78 +33 26 37.9 V L54
2021-06-29 00:17:25 C 22 09 13.88 +33 31 42.1 V L54
2021-06-29 00:43:31 C 22 08 47.74 +33 37 02.2 V L54
2021-06-29 12:31:04 C 21 57 15.86 +35 56 50.7 V T08
2021-06-29 12:33:44 C 21 57 13.07 +35 57 21.5 V T08
2021-06-29 12:50:36 C 21 56 55.26 +36 00 36.2 V T08
2021-06-29 12:58:36 C 21 56 46.82 +36 02 08.3 V T08
2021-06-29 21:51:26 C 21 47 58.488 +37 38 53.23 V Z84
2021-06-29 21:54:30 C 21 47 55.337 +37 39 27.64 V Z84
2021-06-29 23:41:06 C 21 46 02.25 +37 58 43.8 V J95
2021-06-29 23:44:03 C 21 45 59.14 +37 59 16.3 V J95
2021-06-29 23:47:05 C 21 45 56.00 +37 59 49.3 V J95
2021-06-29 23:50:00 C 21 45 52.92 +38 00 21.7 V J95
2021-06-29 23:53:30 C 21 45 49.18 +38 01 00.8 V Z80
2021-06-29 23:58:30 C 21 45 43.88 +38 01 55.5 V Z80
2021-06-30 00:03:30 C 21 45 38.63 +38 02 50.7 V Z80
2021-06-30 08:34:09 C 21 36 49.75 +39 33 00.6 V G96
2021-06-30 08:40:21 C 21 36 42.93 +39 34 04.8 V G96
2021-06-30 08:46:32 C 21 36 36.19 +39 35 09.0 V G96
2021-06-30 08:52:44 C 21 36 29.46 +39 36 12.5 V G96
2021-07-01 00:51:31 C 21 19 39.37 +42 09 39.9 V G40
2021-07-01 01:00:52 C 21 19 28.94 +42 11 07.5 V G40
2021-07-01 01:09:52 C 21 19 18.86 +42 12 31.8 V G40
2021-07-01 21:06:47 C 20 57 45.48 +44 57 16.2 V 587
2021-07-01 21:06:51 C 20 57 45.42 +44 57 16.8 V 587
2021-07-01 21:07:21 C 20 57 44.85 +44 57 21.1 V 587
2021-07-01 21:08:14 C 20 57 43.94 +44 57 28.4 V 587
2021-07-01 22:46:42 C 20 55 54.79 +45 10 20.6 K19
2021-07-01 22:52:38 C 20 55 48.16 +45 11 06.8 K19
2021-07-01 22:58:30 C 20 55 41.55 +45 11 52.8 K19
2021-07-02 20:59:40 C 20 31 42.96 +47 39 04.5 V 033
2021-07-02 21:00:06 C 20 31 42.50 +47 39 07.0 V 033
2021-07-02 21:00:30 C 20 31 42.04 +47 39 09.6 V 033
2021-07-02 21:00:55 C 20 31 41.60 +47 39 12.1 V 033
2021-07-02 23:40:43 C 20 28 43.24 +47 55 16.0 q G01
2021-07-03 00:23:04 C 20 27 56.28 +47 59 21.0 q G01
2021-07-03 00:24:09 C 20 27 54.73 +47 59 29.3 q G01
2021-07-03 01:03:29 C 20 27 10.46 +48 03 15.7 q G01
2021-07-03 01:04:50 C 20 27 09.16 +48 03 22.8 q G01
2021-07-03 01:16:33 C 20 26 55.38 +48 04 34.2 V 033
2021-07-03 01:16:58 C 20 26 54.92 +48 04 36.5 V 033
2021-07-03 01:17:23 C 20 26 54.48 +48 04 38.8 V 033
2021-07-03 12:13:12 C 20 15 08.98 +49 04 05.3 V T08
2021-07-03 12:14:32 C 20 15 07.49 +49 04 11.7 V T08
2021-07-03 12:19:10 C 20 15 02.23 +49 04 34.6 V T08
2021-07-03 13:09:47 C 20 14 05.06 +49 08 38.9 V T08
2021-07-03 13:49:23 C 20 13 20.57 +49 11 44.6 V T08