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
2021-12-14 13:49:51 C 12 18 39.89 +78 25 21.4 V T08
2021-12-14 13:54:31 C 12 18 25.62 +78 24 54.4 V T08
2021-12-14 14:02:31 C 12 18 01.21 +78 24 08.4 V T08
2021-12-14 14:17:03 C 12 17 16.11 +78 22 43.5 V T08
2021-12-14 16:27:23 C 12 11 12.13 +78 06 32.6 V 900
2021-12-14 16:36:12 C 12 10 46.45 +78 05 38.1 V 900
2021-12-14 16:45:02 C 12 10 20.70 +78 04 43.7 V 900
2021-12-14 16:53:28 C 12 09 57.39 +78 03 45.8 r P93
2021-12-14 16:53:52 C 12 09 54.77 +78 03 47.6 V 900
2021-12-14 16:56:32 C 12 09 48.41 +78 03 26.9 r P93
2021-12-14 16:58:06 C 12 09 43.85 +78 03 17.1 r P93
2021-12-14 17:01:21 C 12 08 31.40 +77 59 45.9 C95
2021-12-14 17:06:35 C 12 08 17.73 +77 59 09.2 C95
2021-12-14 17:11:48 C 12 08 03.90 +77 58 31.1 C95
2021-12-14 17:16:39 C 12 07 51.48 +77 57 56.3 C95
2021-12-14 17:21:07 C 12 07 39.24 +77 57 24.0 C95
2021-12-14 19:59:09 C 12 00 44.59 +77 38 13.4 V Z33
2021-12-14 20:33:01 C 11 59 17.98 +77 34 06.7 V Z33
2021-12-14 20:40:26 C 11 58 58.62 +77 33 13.5 V Z33
2021-12-14 20:47:50 C 11 58 39.87 +77 32 19.5 V Z33
2021-12-14 20:49:17 C 11 58 31.52 +77 32 31.1 V Z80
2021-12-14 20:56:11 C 11 58 13.41 +77 31 40.1 V Z80
2021-12-14 21:03:22 C 11 57 54.84 +77 30 47.2 V Z80
2021-12-14 21:55:40 C 11 55 47.12 +77 24 43.7 X 595
2021-12-14 22:01:54 C 11 55 30.23 +77 23 57.3 X 595
2021-12-14 22:07:15 C 11 55 14.67 +77 22 42.1 X J57
2021-12-14 22:07:53 C 11 55 14.58 +77 23 13.9 X 595
2021-12-14 22:16:57 C 11 54 50.99 +77 22 07.6 V L01
2021-12-14 22:17:18 C 11 54 48.60 +77 21 28.6 X J57
2021-12-14 22:19:55 C 11 54 42.96 +77 21 45.5 V L01
2021-12-14 22:21:25 C 11 54 39.04 +77 21 34.6 V L01
2021-12-14 22:22:55 C 11 54 35.06 +77 21 23.7 V L01
2021-12-14 22:24:47 C 11 54 29.99 +77 21 10.0 V L01
2021-12-14 22:27:08 C 11 54 23.02 +77 20 15.8 X J57
2021-12-15 01:14:48 C 11 46 47.85 +76 58 51.0 V Z99
2021-12-15 01:19:19 C 11 46 35.68 +76 58 14.8 V Z99
2021-12-15 01:23:55 C 11 46 23.44 +76 57 37.8 V Z99
2021-12-15 01:28:01 C 11 46 12.35 +76 57 05.2 V Z99
2021-12-15 12:27:54 C 11 18 50.94 +75 08 01.0 r P93
2021-12-15 12:29:06 C 11 18 48.28 +75 07 48.6 r P93
2021-12-15 12:30:18 C 11 18 45.54 +75 07 36.3 r P93
2021-12-15 12:31:35 C 11 18 42.70 +75 07 23.0 r P93
2021-12-15 13:42:17 C 11 16 04.05 +74 55 18.4 V 900
2021-12-15 13:47:35 C 11 15 51.99 +74 54 23.0 V 900
2021-12-15 13:52:52 C 11 15 40.18 +74 53 27.5 V 900
2021-12-15 18:30:54 C 11 04 39.74 +73 56 50.6 X 958
2021-12-15 18:36:31 C 11 04 28.53 +73 55 42.7 X 958
2021-12-15 18:42:01 C 11 04 17.49 +73 54 35.5 X 958
2021-12-16 01:43:06 C 10 49 50.97 +72 25 44.0 V Z99
2021-12-16 01:44:48 C 10 49 47.40 +72 25 21.1 V Z99
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)