2021 NO3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6756943000
Semi-major axis (a)1.7803008000 AU
Inclination (i)2.31697000°
Long. of Asc. Node (Ω)83.08690000°
Arg. of Perihelion (ω)309.34586000°
Mean Anomaly (M)276.42101000°
Mean Motion (n)0.4149196400°/day
Perihelion dist (q)0.57736170 AU
Aphelion dist (Q)2.98323990 AU
Orbital Period2.37541820 yr
Physical Parameters
H (abs. magnitude)23.57
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.560″
Uncertainty8
Orbit TypeApollo
MOID0.023700 AU
Observations Used27
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-07-16
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-07-08 04:15:15 C 20 08 34.97 -27 30 17.5 q X74
2021-07-08 04:26:40 C 20 08 34.90 -27 30 36.2 q X74
2021-07-08 04:38:35 C 20 08 34.89 -27 30 57.4 q X74
2021-07-09 04:50:46 C 20 08 57.74 -28 15 32.5 q X74
2021-07-09 05:01:26 C 20 08 57.77 -28 15 53.6 q X74
2021-07-09 05:13:02 C 20 08 57.69 -28 16 16.8 q X74
2021-07-09 05:24:50 C 20 08 57.62 -28 16 39.7 q X74
2021-07-09 05:35:32 C 20 08 57.59 -28 17 01.3 q X74
2021-07-09 05:46:57 C 20 08 57.67 -28 17 23.7 q X74
2021-07-10 05:20:38 C 20 09 24.19 -29 08 34.1 u 807
2021-07-10 05:24:31 C 20 09 24.19 -29 08 43.2 u 807
2021-07-10 05:27:52 C 20 09 24.20 -29 08 51.3 u 807
2021-07-10 23:22:21 C 20 09 49.37 -29 54 02.3 X Y00
2021-07-10 23:28:37 C 20 09 49.45 -29 54 19.9 X Y00
2021-07-10 23:34:53 C 20 09 49.54 -29 54 37.6 X Y00
2021-07-11 02:53:21 C 20 09 50.77 -30 03 58.9 q X74
2021-07-11 03:04:02 C 20 09 50.73 -30 04 29.1 q X74
2021-07-11 03:15:25 C 20 09 50.74 -30 05 01.3 q X74
2021-07-15 07:34:07 C 20 13 05.02 -37 44 34.0 V 807
2021-07-15 07:38:45 C 20 13 05.13 -37 45 08.1 V 807
2021-07-15 07:43:33 C 20 13 05.25 -37 45 43.3 V 807
2021-07-16 09:41:01 C 20 15 05.88 -41 39 35.6 V T08
2021-07-16 10:32:05 C 20 15 07.89 -41 48 48.2 V T08
2021-07-16 10:36:05 C 20 15 08.05 -41 49 31.3 V T08
2021-07-16 10:44:03 C 20 15 08.31 -41 50 56.5 V T08
2021-07-16 23:52:04 C 20 16 42.30 -44 25 51.5 X Y00
2021-07-16 23:53:59 C 20 16 42.51 -44 26 17.1 X Y00
2021-07-16 23:55:52 C 20 16 42.63 -44 26 42.9 X Y00