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
2010-08-24 08:19:21 S 15 54 54.209 -42 17 01.39 L C51
2010-08-24 11:29:52 S 15 54 53.642 -42 09 22.00 L C51
2010-08-24 13:05:13 S 15 54 53.554 -42 05 32.03 L C51
2015-06-16 07:48:54 C 22 50 27.58 -57 42 08.5 X W84
2015-06-16 07:53:54 C 22 50 27.59 -57 42 11.7 X W84
2015-06-16 07:58:52 C 22 50 27.59 -57 42 14.8 X W84
2015-06-16 08:03:49 C 22 50 27.60 -57 42 17.9 X W84
2015-06-16 08:08:47 C 22 50 27.59 -57 42 21.1 X W84
2015-06-16 08:13:46 C 22 50 27.60 -57 42 24.2 X W84
2015-07-20 06:55:00 C 20 38 17.03 -69 56 20.4 X W84
2015-07-20 06:56:59 C 20 38 15.96 -69 56 21.3 X W84
2015-08-15 20:36:45 S 15 41 24.518 -36 58 02.64 L C51
2015-08-15 22:11:11 S 15 41 07.980 -36 49 09.12 L C51
2015-08-16 01:20:14 S 15 40 35.165 -36 31 20.89 L C51
2020-07-13 13:37:48 C 00 16 30.92 -36 18 14.7 V T08
2020-07-13 13:40:27 C 00 16 31.14 -36 18 12.0 V T08
2020-07-13 13:49:09 C 00 16 31.89 -36 18 03.4 V T08
2020-07-13 14:10:32 C 00 16 33.70 -36 17 42.1 V T08
2020-07-13 17:42:30 C 00 16 52.90 -36 13 39.2 V 474
2020-07-13 17:45:22 C 00 16 53.13 -36 13 36.3 V 474
2020-07-13 17:48:14 C 00 16 53.39 -36 13 33.2 V 474
2020-07-13 17:51:05 C 00 16 53.64 -36 13 30.3 V 474
2020-07-15 06:08:22 C 00 20 30.01 -35 32 34.8 V W88
2020-07-15 06:17:57 C 00 20 30.96 -35 32 23.6 V W88
2020-07-15 06:22:57 C 00 20 31.45 -35 32 17.8 V W88
2020-07-15 06:31:18 C 00 20 32.28 -35 32 07.7 V W88
2020-07-15 06:38:47 C 00 20 33.01 -35 31 58.8 V W88
2020-07-15 06:53:29 C 00 20 34.44 -35 31 41.2 V W88
2020-07-15 17:08:14 C 00 21 38.85 -35 18 46.3 V E10
2020-07-15 17:09:10 C 00 21 38.93 -35 18 45.1 V E10
2020-07-15 17:10:07 C 00 21 39.03 -35 18 43.9 V E10
2020-07-15 17:11:03 C 00 21 39.12 -35 18 42.8 V E10
2020-07-15 17:11:59 C 00 21 39.20 -35 18 41.6 V E10
2020-07-17 16:51:25 C 00 27 09.16 -34 08 17.8 V 474
2020-07-17 16:54:17 C 00 27 09.51 -34 08 13.1 V 474
2020-07-17 16:57:08 C 00 27 09.83 -34 08 08.3 V 474
2020-07-18 14:30:36 C 00 30 01.048 -33 29 32.79 V Q59
2020-07-18 14:31:20 C 00 30 01.172 -33 29 31.23 V Q59
2020-07-18 14:32:05 C 00 30 01.269 -33 29 29.77 V Q59
2020-07-18 14:32:50 C 00 30 01.354 -33 29 28.53 V Q59
2020-07-18 14:33:34 C 00 30 01.438 -33 29 27.32 V Q59
2020-07-18 14:34:19 C 00 30 01.559 -33 29 25.77 V Q59
2020-07-19 03:21:04 C 00 31 47.759 -33 04 46.58 V Z84
2020-07-19 03:27:13 C 00 31 48.613 -33 04 33.86 V Z84
2020-07-19 03:33:23 C 00 31 49.416 -33 04 21.24 V Z84
2020-07-19 13:48:46 C 00 33 20.31 -32 42 21.5 V T05
2020-07-19 13:53:22 C 00 33 20.97 -32 42 11.3 V T05
2020-07-19 14:03:18 C 00 33 22.32 -32 41 50.0 V T05
2020-07-19 14:34:21 C 00 33 26.66 -32 40 41.7 V T05
2020-07-21 04:31:06 C 00 39 45.116 -31 04 35.12 V J04
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)