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
2021-07-21 22:11:16 C 16 27 46.27 +49 47 52.4 V J95
2021-07-21 22:20:26 C 16 27 44.57 +49 47 44.5 V J95
2021-07-21 22:34:54 C 16 27 41.94 +49 47 32.1 V J95
2021-07-27 20:56:36 C 16 09 05.531 +48 04 38.68 V Z84
2021-07-27 21:09:50 C 16 09 03.953 +48 04 29.57 V Z84
2021-07-27 21:29:25 C 16 09 01.643 +48 04 15.92 V Z84
2021-07-27 21:30:02 C 16 09 01.569 +48 04 14.41 V Z33
2021-07-27 21:46:53 C 16 08 59.579 +48 04 02.57 V Z33
2021-07-27 21:48:49 C 16 08 59.373 +48 04 02.07 V Z84
2021-07-28 00:57:20 C 16 08 38.316 +48 01 52.65 V Z31
2021-07-28 01:04:09 C 16 08 37.570 +48 01 47.33 V Z31
2021-07-28 06:17:05 C 16 08 10.121 +47 58 47.56 V T04
2021-07-28 06:19:03 C 16 08 09.854 +47 58 46.35 V T03
2021-08-04 06:06:51 C 15 55 03.423 +46 21 33.96 V T12
2021-08-04 06:10:34 C 15 55 03.138 +46 21 31.95 V T12
2021-08-04 22:03:07 C 15 54 04.396 +46 13 07.26 V Z84
2021-08-04 22:09:26 C 15 54 03.958 +46 13 03.64 V Z84
2021-08-04 22:15:45 C 15 54 03.540 +46 12 59.86 V Z84
2021-08-04 22:22:03 C 15 54 03.112 +46 12 56.25 V Z84
2021-08-05 04:02:15 C 15 53 44.23 +46 10 14.5 o 291
2021-08-05 04:10:37 C 15 53 43.58 +46 10 09.8 o 291
2021-08-05 04:18:54 C 15 53 43.00 +46 10 05.4 o 291
2021-08-06 05:56:31 C 15 52 17.389 +45 57 36.57 V T12