2021 SR2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3953904859 ± 1.04e-04
Semi-major axis (a)1.4995729236 AU ± 2.29e-04
Inclination (i)10.95042302° ± 2.12e-03
Long. of Asc. Node (Ω)4.26946533° ± 6.77e-05
Arg. of Perihelion (ω)311.61897870° ± 4.00e-04
Mean Anomaly (M)114.00765116° ± 1.93e-01
Mean Motion (n)0.5367362047°/day ± 1.23e-04
Perihelion dist (q)0.90665606 AU ± 2.09e-04
Aphelion dist (Q)2.09248979 AU ± 3.56e-04
Orbital Period1.83633277 yr ± 4.21e-04
Physical Parameters
H (abs. magnitude)25.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.293″
Uncertainty3
Orbit TypeApollo
MOID0.001192 AU
Observations Used74
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-30
Last Observation Used2021-10-03
Observations (74)
Date Type RA Dec Mag Band Observatory
2021-09-30 22:44:42 C 23 02 55.21 +35 19 04.2 V 595
2021-09-30 22:52:34 C 23 03 02.65 +35 19 53.1 V 595
2021-10-01 01:39:15 C 23 05 59.27 +35 44 53.0 X Y00
2021-10-01 01:41:36 C 23 06 01.21 +35 45 07.2 X Y00
2021-10-01 01:43:57 C 23 06 03.10 +35 45 19.8 X Y00
2021-10-01 06:13:51 C 23 10 17.87 +36 04 01.9 V 654
2021-10-01 07:01:07 C 23 10 53.38 +36 07 58.7 V 654
2021-10-01 08:00:10 C 23 11 37.17 +36 12 34.9 V 654
2021-10-01 14:07:41 C 23 16 37.84 +36 40 08.7 r P93
2021-10-01 14:09:03 C 23 16 38.70 +36 40 14.2 r P93
2021-10-01 14:10:27 C 23 16 39.59 +36 40 20.0 r P93
2021-10-01 14:13:12 C 23 16 41.34 +36 40 30.4 r P93
2021-10-01 21:35:53 C 23 21 55.14 +37 05 57.0 V Z80
2021-10-01 21:58:23 C 23 22 07.66 +37 07 15.5 V Z80
2021-10-01 22:10:42 C 23 22 14.28 +37 07 45.7 V Z99
2021-10-01 22:13:46 C 23 22 15.98 +37 07 56.3 V Z99
2021-10-03 04:48:58 C 23 37 13.71 +38 21 32.4 V G96
2021-10-03 04:58:22 C 23 37 16.45 +38 21 50.0 V G96
2021-10-03 05:06:00 C 23 37 18.69 +38 22 03.6 V G96
2021-10-03 05:13:39 C 23 37 20.91 +38 22 17.5 V G96
2021-10-03 07:37:26 C 23 38 01.79 +38 26 02.0 V G96
2021-10-03 07:43:18 C 23 38 03.38 +38 26 09.9 V G96
2021-10-03 07:48:24 C 23 38 04.89 +38 26 16.5 V G96
2021-10-03 08:27:10 C 23 38 15.95 +38 27 04.9 V G96