2018 SR1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5799905714 ± 2.00e+00
Semi-major axis (a)2.4908994401 AU ± 3.00e+00
Inclination (i)21.50462348° ± 4.00e+00
Long. of Asc. Node (Ω)358.76259940° ± 5.00e+00
Arg. of Perihelion (ω)3.12136221° ± 6.00e+00
Mean Anomaly (M)295.55092447° ± 1.52e-01
Mean Motion (n)0.2507167700°/day ± 4.53e-01
Perihelion dist (q)1.04620070 AU ± 5.14e+00
Aphelion dist (Q)3.93549410 AU ± 6.88e+00
Orbital Period3.93115970 yr ± 7.10e+00
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.441″
Uncertainty3
Orbit TypeAmor
MOID0.041156 AU
Observations Used190
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-10-21
Observations (212)
Date Type RA Dec Mag Band Observatory
2018-09-20 10:29:51 C 23 34 19.79 -23 41 32.6 U T05
2018-09-20 10:43:47 C 23 34 16.68 -23 36 17.2 U T05
2018-09-20 10:56:21 C 23 34 13.93 -23 31 33.2 U T05
2018-09-20 11:11:33 C 23 34 10.56 -23 25 48.5 U T05
2018-09-20 13:56:18 C 23 33 45.89 -22 20 37.0 V Q62
2018-09-20 13:59:03 C 23 33 45.28 -22 19 33.5 V Q62
2018-09-20 14:01:47 C 23 33 44.69 -22 18 30.7 V Q62
2018-09-20 14:04:32 C 23 33 44.09 -22 17 27.2 V Q62
2018-09-20 15:43:18 C 23 33 22.67 -21 39 08.9 q E23
2018-09-20 15:51:19 C 23 33 20.99 -21 36 02.5 q E23
2018-09-20 15:59:18 C 23 33 19.33 -21 32 54.9 q E23
2018-09-20 21:16:25 C 23 32 36.09 -19 32 18.8 V G34
2018-09-20 21:18:10 C 23 32 35.73 -19 31 37.0 V G34
2018-09-20 21:19:56 C 23 32 35.51 -19 30 54.2 V G34
2018-09-20 21:21:43 C 23 32 34.81 -19 30 12.3 V G34
2018-09-20 21:34:50 C 23 32 32.64 -19 24 53.0 V 595
2018-09-20 21:36:35 C 23 32 32.81 -19 24 07.7 q 160
2018-09-20 21:41:04 C 23 32 31.86 -19 22 21.5 q 160
2018-09-20 21:41:14 C 23 32 31.32 -19 22 20.8 V 595
2018-09-20 21:43:19 C 23 32 31.40 -19 21 27.1 q 160
2018-09-20 21:47:37 C 23 32 30.00 -19 19 48.4 V 595
2018-09-20 21:54:45 C 23 32 28.41 -19 17 02.9 q K61
2018-09-20 21:55:22 C 23 32 28.27 -19 16 48.2 q K61
2018-09-20 21:56:08 C 23 32 28.09 -19 16 29.6 q K61
2018-09-20 21:57:47 C 23 32 27.74 -19 15 50.3 q K61
2018-09-20 21:58:53 C 23 32 27.53 -19 15 23.5 q K61
2018-09-20 22:31:55 C 23 32 21.25 -19 02 05.4 16.7 V 104
2018-09-20 22:35:13 C 23 32 20.54 -19 00 46.3 16.9 V 104
2018-09-20 22:38:30 C 23 32 19.87 -18 59 27.3 16.6 V 104
2018-09-20 22:41:47 C 23 32 19.16 -18 58 08.3 16.7 V 104
2018-09-20 23:03:47 C 23 32 14.06 -18 49 21.7 d L01
2018-09-20 23:05:29 C 23 32 13.72 -18 48 41.0 d L01
2018-09-20 23:07:10 C 23 32 13.37 -18 48 00.1 d L01
2018-09-20 23:08:10 C 23 32 13.15 -18 47 36.7 d L01
2018-09-20 23:09:34 C 23 32 12.87 -18 47 02.4 d L01
2018-09-20 23:14:32 C 23 32 12.31 -18 45 01.7 q K63
2018-09-20 23:16:49 C 23 32 11.93 -18 44 07.2 q K63
2018-09-20 23:19:26 C 23 32 11.35 -18 43 03.3 q K63
2018-09-20 23:52:54 C 23 32 16.40 -18 25 41.0 U X31
2018-09-20 23:54:49 C 23 32 16.10 -18 24 53.5 U X31
2018-09-20 23:55:57 C 23 32 15.77 -18 24 27.7 U X31
2018-09-21 03:12:14 C 23 31 26.27 -17 08 03.0 U G40
2018-09-21 03:21:40 C 23 31 24.30 -17 04 10.5 U G40
2018-09-21 03:39:23 C 23 31 33.00 -16 57 19.8 q W34
2018-09-21 03:42:57 C 23 31 19.94 -16 55 24.2 U G40
2018-09-21 03:44:30 C 23 31 31.90 -16 55 14.2 q W34
2018-09-21 03:49:45 C 23 31 30.80 -16 53 05.6 q W34
2018-09-21 04:00:04 C 23 31 28.59 -16 48 52.6 q W34
2018-09-21 04:04:44 C 23 31 27.60 -16 46 58.2 q W34
2018-09-21 04:11:53 C 23 31 31.20 -16 43 46.8 V I52