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
2021-07-07 22:02:18 C 18 36 33.47 +53 19 38.9 V 033
2021-07-07 22:02:42 C 18 36 33.15 +53 19 39.2 V 033
2021-07-07 22:03:06 C 18 36 30.67 +53 19 44.6 V L18
2021-07-07 22:43:10 C 18 36 02.59 +53 20 01.6 V Z80
2021-07-07 22:49:50 C 18 35 57.21 +53 20 05.5 V Z80
2021-07-07 22:56:30 C 18 35 51.92 +53 20 09.3 V Z80
2021-07-08 22:31:26 C 18 18 55.545 +53 28 44.00 V J04
2021-07-08 22:31:54 C 18 18 55.236 +53 28 44.28 V J04
2021-07-08 22:32:21 C 18 18 54.894 +53 28 44.30 V J04
2021-07-08 23:01:15 C 18 18 27.12 +53 28 13.0 V L18
2021-07-08 23:03:55 C 18 18 25.23 +53 28 13.2 V L18
2021-07-08 23:06:35 C 18 18 23.32 +53 28 13.4 V L18
2021-07-08 23:09:15 C 18 18 21.42 +53 28 13.5 V L18
2021-07-08 23:11:55 C 18 18 19.54 +53 28 13.2 V L18
2021-07-08 23:14:35 C 18 18 17.64 +53 28 13.2 V L18
2021-07-09 21:34:00 C 18 04 03.478 +53 27 27.70 V J04
2021-07-09 21:34:30 C 18 04 03.150 +53 27 27.63 V J04
2021-07-09 21:35:00 C 18 04 02.835 +53 27 27.68 V J04
2021-07-10 22:20:29 C 17 49 42.46 +53 18 41.5 V J69
2021-07-10 22:28:59 C 17 49 37.57 +53 18 38.5 V J69
2021-07-10 22:30:58 C 17 49 36.42 +53 18 36.3 V Z80
2021-07-10 22:37:29 C 17 49 32.70 +53 18 34.0 V J69
2021-07-10 22:38:58 C 17 49 31.81 +53 18 32.4 V Z80
2021-07-10 22:43:13 C 17 49 27.72 +53 18 29.8 V G34
2021-07-10 22:46:20 C 17 49 25.99 +53 18 28.0 V G34
2021-07-10 22:46:58 C 17 49 27.30 +53 18 29.1 V Z80
2021-07-10 22:49:26 C 17 49 24.18 +53 18 26.7 V G34
2021-07-10 22:52:32 C 17 49 22.41 +53 18 24.8 V G34
2021-07-11 08:47:27 C 17 44 11.15 +53 14 20.4 V T08
2021-07-11 08:52:06 C 17 44 08.54 +53 14 18.1 V T08
2021-07-11 09:38:04 C 17 43 42.93 +53 13 51.2 V T08
2021-07-11 10:18:55 C 17 43 20.33 +53 13 25.4 V T08
2021-07-12 03:55:09 C 17 34 51.47 +53 02 29.7 o 291
2021-07-12 03:56:19 C 17 34 50.86 +53 02 28.5 o 291
2021-07-12 20:23:22 C 17 27 23.98 +52 50 47.4 V 118
2021-07-12 20:28:44 C 17 27 21.48 +52 50 43.6 V 118
2021-07-12 20:34:06 C 17 27 19.02 +52 50 39.7 V 118
2021-07-13 08:41:52 C 17 22 12.53 +52 42 13.4 V T05
2021-07-13 08:47:10 C 17 22 10.28 +52 42 09.2 V T05
2021-07-13 08:55:03 C 17 22 06.69 +52 42 03.0 V T05
2021-07-13 09:45:35 C 17 21 44.25 +52 41 20.4 V T05
2021-07-15 00:22:49 C 17 07 26.72 +52 08 56.9 V J95
2021-07-15 00:27:16 C 17 07 25.15 +52 08 52.3 V J95
2021-07-15 00:33:58 C 17 07 22.78 +52 08 46.2 V J95
2021-07-15 08:18:58 C 17 04 51.73 +52 02 59.4 V T08
2021-07-15 08:23:37 C 17 04 50.07 +52 02 55.3 V T08
2021-07-15 08:32:16 C 17 04 46.94 +52 02 47.6 V T08
2021-07-15 08:46:52 C 17 04 41.72 +52 02 34.5 V T08
2021-07-16 00:35:04 C 16 59 43.13 +51 48 01.9 V J95
2021-07-16 00:41:58 C 16 59 40.97 +51 47 55.0 V J95