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
2020-07-27 19:54:40 C 01 33 04.983 -13 21 31.84 V O85
2020-07-27 19:57:46 C 01 33 06.842 -13 20 46.71 V O85
2020-07-28 02:40:03 C 01 37 27.48 -11 38 56.4 V J95
2020-07-28 02:43:57 C 01 37 30.00 -11 37 54.6 V J95
2020-07-28 02:47:50 C 01 37 32.57 -11 36 52.4 V J95
2020-07-28 02:53:14 C 01 37 36.13 -11 35 26.7 V J95
2020-07-28 02:58:37 C 01 37 39.67 -11 34 01.3 V J95
2020-07-28 03:20:16 C 01 37 54.648 -11 27 59.77 V Z84
2020-07-28 03:20:50 C 01 37 55.032 -11 27 50.85 V Z84
2020-07-28 03:21:24 C 01 37 55.400 -11 27 41.64 V Z84
2020-07-28 03:21:58 C 01 37 55.777 -11 27 32.54 V Z84
2020-07-29 00:54:58 C 01 54 30.23 -04 44 51.6 V 089
2020-07-29 00:58:26 C 01 54 33.20 -04 43 36.9 V 089
2020-07-29 01:01:53 C 01 54 36.13 -04 42 22.6 V 089
2020-07-29 02:16:31 C 01 55 42.51 -04 15 20.5 V J95
2020-07-29 02:20:18 C 01 55 45.83 -04 13 56.7 V J95
2020-07-29 02:24:26 C 01 55 49.42 -04 12 26.5 V J95
2020-07-29 02:28:02 C 01 55 52.57 -04 11 06.6 V J95
2020-07-29 03:20:14 C 01 56 39.250 -03 51 30.30 V Z84
2020-07-29 03:20:45 C 01 56 39.701 -03 51 18.71 V Z84
2020-07-29 03:21:16 C 01 56 40.166 -03 51 07.08 V Z84
2020-07-29 03:21:48 C 01 56 40.612 -03 50 55.48 V Z84
2020-07-30 08:02:32 S 02 27 42.02 +09 02 41.5 L C51
2020-07-31 02:55:52 C 02 56 05.49 +19 51 49.8 V 160
2020-07-31 02:57:45 C 02 56 08.69 +19 52 59.7 V 160
2020-07-31 02:59:39 C 02 56 11.82 +19 54 08.7 V 160
2020-07-31 03:40:15 C 02 57 22.156 +20 19 12.90 V Z84
2020-07-31 03:40:48 C 02 57 23.082 +20 19 33.23 V Z84
2020-07-31 03:41:21 C 02 57 24.019 +20 19 53.31 V Z84
2020-07-31 14:28:50 C 03 17 23.30 +27 03 15.9 V T08
2020-07-31 14:42:13 C 03 17 49.48 +27 11 40.6 V T08
2020-07-31 14:48:16 C 03 18 01.32 +27 15 28.3 V T08
2020-07-31 15:00:49 C 03 18 25.98 +27 23 21.9 V T08
2020-08-01 14:23:27 C 04 13 06.42 +41 14 16.1 V T08
2020-08-01 14:31:24 C 04 13 27.51 +41 18 34.0 V T08
2020-08-01 15:00:03 C 04 14 43.15 +41 33 54.5 V T08
2024-02-20 00:37:42 C 02 04 41.400 -74 17 57.90 V 807
2024-02-20 00:40:52 C 02 04 45.320 -74 17 57.40 V 807
2024-02-20 00:44:02 C 02 04 49.230 -74 17 56.50 V 807
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)