2020 NK1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6471526909 ± 3.30e-08
Semi-major axis (a)1.3929074233 AU ± 5.31e-09
Inclination (i)45.44819270° ± 7.81e-06
Long. of Asc. Node (Ω)311.07114086° ± 4.62e-07
Arg. of Perihelion (ω)107.90177569° ± 4.35e-06
Mean Anomaly (M)51.15998060° ± 6.20e-06
Mean Motion (n)0.5995548173°/day ± 3.43e-09
Perihelion dist (q)0.49148364 AU ± 4.61e-08
Aphelion dist (Q)2.29433121 AU ± 4.68e-08
Orbital Period1.64393022 yr ± 9.41e-09
Physical Parameters
H (abs. magnitude)18.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.114″
Uncertainty0
Orbit TypeApollo
MOID0.003994 AU
Observations Used118
Radar Obs Used3
Oppositions2
Arc Total2015-2024
First Observation Used2015-06-16
Last Observation Used2024-02-20
Observations (139)
Date Type RA Dec Mag Band Observatory
2020-07-21 04:31:48 C 00 39 45.236 -31 04 33.22 V J04
2020-07-21 04:32:31 C 00 39 45.352 -31 04 31.18 V J04
2020-07-21 13:48:35 C 00 41 29.49 -30 36 41.4 V T08
2020-07-21 13:52:35 C 00 41 30.20 -30 36 29.1 V T08
2020-07-21 14:01:51 C 00 41 31.85 -30 36 00.6 V T08
2020-07-21 14:31:50 C 00 41 37.18 -30 34 27.9 V T08
2020-07-22 00:48:12 C 00 43 40.85 -30 00 23.8 V K93
2020-07-22 00:51:16 C 00 43 41.45 -30 00 13.6 V K93
2020-07-22 00:54:20 C 00 43 42.04 -30 00 03.4 V K93
2020-07-22 04:40:08 C 00 44 27.824 -29 47 53.54 V J04
2020-07-22 04:40:45 C 00 44 27.940 -29 47 51.36 V J04
2020-07-22 04:41:21 C 00 44 28.057 -29 47 49.41 V J04
2020-07-23 04:56:10 C 00 49 55.649 -28 14 08.30 V J04
2020-07-23 04:56:41 C 00 49 55.759 -28 14 06.01 V J04
2020-07-23 04:57:12 C 00 49 55.878 -28 14 03.98 V J04
2020-07-23 13:15:53 C 00 52 01.54 -27 37 01.7 V T05
2020-07-23 13:23:15 C 00 52 03.34 -27 36 28.2 V T05
2020-07-23 13:37:57 C 00 52 06.88 -27 35 20.9 V T05
2020-07-23 17:32:13 C 00 53 05.94 -27 16 04.5 q E94
2020-07-23 17:36:12 C 00 53 06.94 -27 15 45.6 q E94
2020-07-23 17:36:35 C 00 53 07.50 -27 15 39.8 V 474
2020-07-23 17:39:28 C 00 53 08.21 -27 15 25.9 V 474
2020-07-23 17:40:11 C 00 53 07.98 -27 15 26.1 q E94
2020-07-23 17:42:22 C 00 53 08.93 -27 15 11.9 V 474
2020-07-23 17:53:08 C 00 53 11.24 -27 14 23.0 q E94
2020-07-24 04:52:07 C 00 56 14.840 -26 19 42.50 V J04
2020-07-24 04:52:35 C 00 56 14.957 -26 19 40.15 V J04
2020-07-24 04:53:02 C 00 56 15.093 -26 19 37.77 V J04
2020-07-24 14:53:36 C 00 59 13.209 -25 23 23.31 V T14
2020-07-24 14:54:23 C 00 59 13.436 -25 23 18.69 V T14
2020-07-24 14:55:11 C 00 59 13.664 -25 23 14.06 V T14
2020-07-24 17:12:52 C 00 59 56.52 -25 08 27.6 V 474
2020-07-24 17:15:46 C 00 59 57.39 -25 08 10.2 V 474
2020-07-24 17:18:39 C 00 59 58.27 -25 07 52.7 V 474
2020-07-24 17:22:59 C 00 59 59.56 -25 07 26.6 V 474
2020-07-25 12:59:11 C 01 06 43.15 -22 56 57.9 V T08
2020-07-25 13:07:49 C 01 06 46.17 -22 55 54.2 V T08
2020-07-25 13:13:09 C 01 06 48.04 -22 55 14.7 V T08
2020-07-25 13:33:12 C 01 06 55.11 -22 52 45.5 V T08
2020-07-26 17:46:29 C 01 18 44.81 -18 42 13.0 q E94
2020-07-26 17:57:53 C 01 18 50.16 -18 40 12.7 q E94
2020-07-26 18:08:39 C 01 18 55.00 -18 38 21.2 q E94
2020-07-27 19:26:52 C 01 32 48.224 -13 28 13.82 V O85
2020-07-27 19:33:03 C 01 32 51.953 -13 26 44.63 V O85
2020-07-27 19:36:08 C 01 32 53.809 -13 26 00.11 V O85
2020-07-27 19:39:13 C 01 32 55.672 -13 25 15.38 V O85
2020-07-27 19:42:19 C 01 32 57.530 -13 24 31.00 V O85
2020-07-27 19:45:24 C 01 32 59.395 -13 23 46.23 V O85
2020-07-27 19:48:29 C 01 33 01.255 -13 23 01.51 V O85
2020-07-27 19:51:35 C 01 33 03.120 -13 22 16.56 V O85
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-07-31 09:45:00 74784.8869 0.2 Hz 2380 -1 -1
2020-07-31 09:57:00 73206.6704 0.1 Hz 2380 -1 -1
2020-07-31 10:09:00 55429891.27 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)