2018 SR3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2311582429 ± 2.07e-04
Semi-major axis (a)1.3284789458 AU ± 3.68e-04
Inclination (i)6.56969988° ± 4.54e-03
Long. of Asc. Node (Ω)356.76871264° ± 6.93e-04
Arg. of Perihelion (ω)328.52444696° ± 2.46e-03
Mean Anomaly (M)264.66803407° ± 7.19e-01
Mean Motion (n)0.6436951875°/day ± 2.67e-04
Perihelion dist (q)1.02139009 AU ± 3.95e-04
Aphelion dist (Q)1.63556780 AU ± 5.30e-04
Orbital Period1.53120033 yr ± 6.36e-04
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.397″
Uncertainty3
Orbit TypeAmor
MOID0.032934 AU
Observations Used27
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-30
Last Observation Used2018-10-17
Observations (28)
Date Type RA Dec Mag Band Observatory
2018-09-30 05:19:14 C 23 01 17.00 +10 06 47.3 V G96
2018-09-30 05:27:17 C 23 01 17.71 +10 07 16.3 V G96
2018-09-30 05:35:21 C 23 01 18.30 +10 07 44.7 V G96
2018-09-30 05:43:26 C 23 01 18.94 +10 08 14.3 V G96
2018-09-30 08:20:55 C 23 01 31.79 +10 17 29.3 V I52
2018-09-30 08:24:31 C 23 01 31.99 +10 17 42.3 V I52
2018-09-30 08:28:07 C 23 01 32.33 +10 17 55.9 V I52
2018-09-30 08:31:43 C 23 01 32.51 +10 18 07.1 V I52
2018-09-30 23:04:00 C 23 03 08.04 +11 07 50.2 V L01
2018-09-30 23:11:07 C 23 03 08.60 +11 08 14.1 V L01
2018-09-30 23:17:19 C 23 03 09.11 +11 08 34.2 V L01
2018-10-01 04:30:49 C 23 03 43.97 +11 26 06.2 u H21
2018-10-01 04:40:28 C 23 03 44.73 +11 26 38.0 u H21
2018-10-01 04:53:02 C 23 03 45.71 +11 27 18.6 u H21
2018-10-03 02:07:51 C 23 08 19.24 +13 44 14.7 u H21
2018-10-03 02:24:10 C 23 08 20.44 +13 45 00.8 u H21
2018-10-03 02:43:34 C 23 08 21.83 +13 45 55.7 u H21
2018-10-04 00:16:19 C 23 10 16.98 +14 43 22.1 V 204
2018-10-04 00:45:24 C 23 10 19.20 +14 44 35.5 V 204
2018-10-11 02:15:05 C 23 24 09.14 +20 11 54.1 u H21
2018-10-11 02:29:48 C 23 24 09.97 +20 12 15.4 u H21
2018-10-11 02:44:32 C 23 24 10.80 +20 12 36.7 u H21
2018-10-12 03:42:09 C 23 25 58.62 +20 46 19.2 u H21
2018-10-12 03:49:10 C 23 25 59.03 +20 46 28.2 u H21
2018-10-12 04:18:42 C 23 26 00.59 +20 47 06.3 u H21
2018-10-17 01:55:05 C 23 34 12.60 +22 51 33.2 u H21
2018-10-17 01:59:16 C 23 34 12.83 +22 51 36.8 u H21
2018-10-17 02:24:47 C 23 34 14.17 +22 51 59.5 u H21