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
2021-12-28 05:33:46 C 08 01 05.70 -45 11 18.9 u 807
2021-12-28 05:34:54 C 08 01 05.38 -45 11 25.2 u 807
2021-12-28 05:36:01 C 08 01 05.21 -45 11 31.6 u 807
2021-12-30 04:12:48 C 07 54 59.25 -48 50 33.9 u 807
2021-12-30 04:13:57 C 07 54 59.08 -48 50 38.8 u 807
2021-12-30 04:15:03 C 07 54 58.91 -48 50 43.1 u 807
2022-01-06 13:25:42 C 07 39 50.20 -55 16 39.1 V 474
2022-01-06 13:30:46 C 07 39 49.75 -55 16 44.8 V 474
2022-01-06 13:40:54 C 07 39 48.86 -55 16 56.2 V 474
2022-01-06 13:57:20 C 07 39 47.56 -55 17 14.9 V 474
2022-01-30 04:43:44 C 07 24 20.95 -57 50 56.0 V 807
2022-01-30 04:54:21 C 07 24 20.72 -57 50 53.7 V 807
2022-01-30 05:04:59 C 07 24 20.50 -57 50 51.3 V 807
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)