2021 NK

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5566730000
Semi-major axis (a)2.0941041000 AU
Inclination (i)6.49423000°
Long. of Asc. Node (Ω)103.55500000°
Arg. of Perihelion (ω)125.41482000°
Mean Anomaly (M)173.93620000°
Mean Motion (n)0.3252420400°/day
Perihelion dist (q)0.92837290 AU
Aphelion dist (Q)3.25983530 AU
Orbital Period3.03038220 yr
Physical Parameters
H (abs. magnitude)23.79
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.360″
Uncertainty9
Orbit TypeApollo
MOID0.025022 AU
Observations Used17
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-07-05
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-06-30 09:31:11 C 15 02 58.090 -01 09 04.92 V F51
2021-07-04 08:29:51 C 16 21 49.722 -15 19 25.36 U F51
2021-07-04 08:46:56 C 16 22 01.369 -15 21 24.75 U F51
2021-07-04 09:04:02 C 16 22 13.048 -15 23 24.20 U F51
2021-07-04 09:21:09 C 16 22 24.740 -15 25 23.34 U F51
2021-07-05 00:43:55 C 16 33 08.65 -17 06 44.8 X Y00
2021-07-05 00:51:37 C 16 33 13.60 -17 07 34.2 X Y00
2021-07-05 00:59:20 C 16 33 18.56 -17 08 23.0 X Y00
2021-07-05 03:08:00 C 16 34 46.36 -17 23 38.8 u H21
2021-07-05 03:12:02 C 16 34 48.95 -17 24 03.8 u H21
2021-07-05 03:15:32 C 16 34 51.21 -17 24 26.2 u H21
2021-07-05 04:06:53 C 16 35 24.94 -17 29 45.6 q H36
2021-07-05 04:12:19 C 16 35 28.55 -17 30 20.0 q H36
2021-07-05 04:21:00 C 16 35 34.04 -17 31 12.6 q H36
2021-07-05 04:27:33 C 16 35 38.18 -17 31 52.7 q H36
2021-07-05 09:39:16 C 16 39 01.382 -18 03 10.16 U F51
2021-07-05 09:48:27 C 16 39 07.123 -18 04 04.86 U F51