2021 SR41

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6506236825 ± 4.42e-08
Semi-major axis (a)2.3782175011 AU ± 2.36e-07
Inclination (i)21.94614715° ± 7.84e-06
Long. of Asc. Node (Ω)172.09663398° ± 9.46e-06
Arg. of Perihelion (ω)319.89322416° ± 1.01e-05
Mean Anomaly (M)10.52734843° ± 5.56e-05
Mean Motion (n)0.2687416134°/day ± 3.99e-08
Perihelion dist (q)0.83089287 AU ± 1.34e-07
Aphelion dist (Q)3.92554213 AU ± 4.03e-07
Orbital Period3.66756109 yr ± 5.45e-07
Physical Parameters
H (abs. magnitude)19.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.283″
Uncertainty0
Orbit TypeApollo
MOID0.062937 AU
Observations Used147
Oppositions4
Arc Total2017-2022
First Observation Used2017-09-22
Last Observation Used2022-05-24
Observations (162)
Date Type RA Dec Mag Band Observatory
2022-04-30 11:47:52 C 15 34 30.604 +34 58 09.33 V F52
2022-04-30 12:03:34 C 15 34 29.269 +34 58 03.35 V F52
2022-05-09 07:24:59 C 15 19 55.931 +33 16 16.25 V G96
2022-05-09 07:32:24 C 15 19 55.456 +33 16 11.78 V G96
2022-05-09 07:39:51 C 15 19 55.009 +33 16 07.68 V G96
2022-05-09 07:47:19 C 15 19 54.527 +33 16 03.40 V G96
2022-05-10 06:52:55 C 15 18 34.754 +33 02 35.34 V G96
2022-05-10 07:00:21 C 15 18 34.315 +33 02 30.77 V G96
2022-05-10 07:07:47 C 15 18 33.826 +33 02 26.95 V G96
2022-05-24 06:52:19 C 15 04 25.770 +29 12 55.87 V G96
2022-05-24 07:00:31 C 15 04 25.547 +29 12 50.22 V G96
2022-05-24 07:08:43 C 15 04 25.306 +29 12 43.31 V G96