2021 NR1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2313915957 ± 4.05e-04
Semi-major axis (a)0.9169893955 AU ± 4.17e-05
Inclination (i)10.46022356° ± 2.54e-02
Long. of Asc. Node (Ω)272.69879482° ± 3.49e-03
Arg. of Perihelion (ω)221.39490890° ± 1.98e-02
Mean Anomaly (M)124.46208907° ± 7.06e-02
Mean Motion (n)1.1224469036°/day ± 7.66e-05
Perihelion dist (q)0.70480576 AU ± 3.73e-04
Aphelion dist (Q)1.12917303 AU ± 3.75e-04
Orbital Period0.87810504 yr ± 5.99e-05
Physical Parameters
H (abs. magnitude)25.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.169″
Uncertainty2
Orbit TypeAten
MOID0.022364 AU
Observations Used12
Oppositions1
Arc Total2021-2021
First Observation Used2021-07-03
Last Observation Used2021-07-09
Observations (12)
Date Type RA Dec Mag Band Observatory
2021-07-03 08:21:49 C 15 43 31.773 -04 28 05.41 V F51
2021-07-07 07:41:09 C 15 54 30.235 -00 59 24.14 U F51
2021-07-07 07:59:51 C 15 54 31.596 -00 58 51.80 U F51
2021-07-07 08:37:12 C 15 54 34.367 -00 57 47.93 U F51
2021-07-08 06:11:59 C 15 56 41.782 -00 22 36.74 V 568
2021-07-08 06:14:49 C 15 56 41.976 -00 22 32.45 V 568
2021-07-08 06:16:13 C 15 56 42.074 -00 22 30.22 V 568
2021-07-08 06:18:01 C 15 56 42.192 -00 22 27.44 V T12
2021-07-08 06:27:09 C 15 56 42.825 -00 22 13.24 V T12
2021-07-09 02:48:25 C 15 58 32.50 +00 07 24.7 u H21
2021-07-09 02:58:35 C 15 58 33.23 +00 07 39.5 u H21
2021-07-09 03:09:59 C 15 58 33.99 +00 07 55.6 u H21