2021 XK6

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3126593837 ± 3.59e-07
Semi-major axis (a)1.4548261977 AU ± 7.64e-07
Inclination (i)20.95397974° ± 5.94e-06
Long. of Asc. Node (Ω)269.30672057° ± 1.37e-06
Arg. of Perihelion (ω)178.14912205° ± 2.31e-05
Mean Anomaly (M)84.97741499° ± 6.30e-04
Mean Motion (n)0.5616885963°/day ± 4.43e-07
Perihelion dist (q)0.99996114 AU ± 7.41e-07
Aphelion dist (Q)1.90969126 AU ± 1.13e-06
Orbital Period1.75475573 yr ± 1.38e-06
Physical Parameters
H (abs. magnitude)22.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.349″
Uncertainty0
Orbit TypeApollo
MOID0.015697 AU
Observations Used108
Radar Obs Used3
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-14
Last Observation Used2022-01-30
Observations (113)
Date Type RA Dec Mag Band Observatory
2021-12-16 01:46:31 C 10 49 43.87 +72 24 57.6 V Z99
2021-12-16 01:48:13 C 10 49 40.22 +72 24 34.1 V Z99
2021-12-16 01:49:56 C 10 49 36.69 +72 24 11.1 V Z99
2021-12-16 02:06:24 C 10 49 02.03 +72 21 04.9 V 204
2021-12-16 02:10:57 C 10 48 52.41 +72 20 02.6 V 204
2021-12-16 02:15:29 C 10 48 42.77 +72 18 59.9 V 204
2021-12-16 02:20:02 C 10 48 33.13 +72 17 57.4 V 204
2021-12-16 02:24:33 C 10 48 23.53 +72 16 54.6 V 204
2021-12-16 13:33:45 C 10 27 50.55 +69 23 02.7 V T05
2021-12-16 13:37:42 C 10 27 43.07 +69 21 55.9 V T05
2021-12-16 13:44:58 C 10 27 29.23 +69 19 52.9 V T05
2021-12-16 13:56:47 C 10 27 06.787 +69 16 31.86 U F51
2021-12-16 13:59:08 C 10 27 02.33 +69 15 51.5 V T05
2021-12-16 14:30:18 C 10 26 03.292 +69 06 54.71 U F51
2021-12-17 04:16:27 C 10 04 53.42 +64 35 20.7 V G40
2021-12-17 04:26:21 C 10 04 37.93 +64 31 46.8 V G40
2021-12-17 04:46:18 C 10 04 06.70 +64 24 31.1 V G40
2021-12-18 02:11:39 C 09 38 05.05 +55 05 11.4 X C95
2021-12-18 02:13:48 C 09 38 02.60 +55 04 07.0 X C95
2021-12-18 02:15:57 C 09 38 00.06 +55 03 02.2 X C95
2021-12-18 02:18:08 C 09 37 57.44 +55 01 57.0 X C95
2021-12-18 02:20:17 C 09 37 55.03 +55 00 51.9 X C95
2021-12-18 02:22:27 C 09 37 52.47 +54 59 47.3 X C95
2021-12-18 11:21:27 C 09 29 09.23 +50 12 31.4 V T08
2021-12-18 11:25:40 C 09 29 04.78 +50 10 11.9 V T08
2021-12-18 11:30:22 C 09 28 59.79 +50 07 35.4 V T08
2021-12-18 11:39:09 C 09 28 50.45 +50 02 41.9 V T08
2021-12-19 22:59:33 C 09 01 35.02 +26 14 34.8 V 203
2021-12-19 23:04:09 C 09 01 31.89 +26 11 11.0 V 203
2021-12-19 23:09:08 C 09 01 28.49 +26 07 30.6 V 203
2021-12-19 23:17:17 C 09 01 22.88 +26 01 29.7 V 203
2021-12-20 13:48:23 C 08 52 59.35 +15 11 22.7 q Q21
2021-12-20 13:51:47 C 08 52 57.44 +15 08 52.5 q Q21
2021-12-20 13:58:47 C 08 52 53.16 +15 03 46.2 q Q21
2021-12-20 14:02:11 C 08 52 51.17 +15 01 15.2 q Q21
2021-12-20 14:17:04 C 08 52 42.25 +14 50 20.3 q Q21
2021-12-20 14:20:28 C 08 52 40.27 +14 47 50.7 q Q21
2021-12-20 14:35:13 C 08 52 31.33 +14 37 00.8 q Q21
2021-12-20 14:38:36 C 08 52 29.30 +14 34 31.4 q Q21
2021-12-22 16:19:05 C 08 31 00.26 -15 47 41.2 V 900
2021-12-22 16:21:03 C 08 30 59.39 -15 48 35.9 V 900
2021-12-22 16:23:01 C 08 30 58.59 -15 49 30.6 V 900
2021-12-25 10:04:35 C 08 13 14.51 -35 51 48.0 V 474
2021-12-25 10:05:35 C 08 13 14.25 -35 52 00.3 V 474
2021-12-25 10:07:02 C 08 13 13.94 -35 52 17.7 V 474
2021-12-25 10:11:22 C 08 13 12.90 -35 53 09.8 V 474
2021-12-25 13:41:37 C 08 12 19.91 -36 34 14.2 V 474
2021-12-25 13:43:03 C 08 12 19.54 -36 34 30.6 V 474
2021-12-25 13:44:30 C 08 12 19.14 -36 34 46.9 V 474
2021-12-25 13:45:57 C 08 12 18.77 -36 35 03.4 V 474
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-12-17 04:40:00 493654.99 5 Hz 8560 -14 -14
2021-12-17 05:00:00 492851.55 0.1 Hz 8560 -14 -14
2021-12-17 05:40:00 30552401.694 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)