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
2018-09-21 04:12:08 C 23 31 31.14 -16 43 40.4 V I52
2018-09-21 04:12:24 C 23 31 31.09 -16 43 33.8 V I52
2018-09-21 04:12:40 C 23 31 31.03 -16 43 27.4 V I52
2018-09-21 05:47:18 C 23 31 06.75 -16 04 54.9 u H21
2018-09-21 05:49:09 C 23 31 06.38 -16 04 09.0 u H21
2018-09-21 05:51:00 C 23 31 05.98 -16 03 23.2 u H21
2018-09-21 05:52:51 C 23 31 05.58 -16 02 37.5 u H21
2018-09-21 05:54:42 C 23 31 05.19 -16 01 51.3 u H21
2018-09-21 05:56:33 C 23 31 04.80 -16 01 05.4 u H21
2018-09-21 05:58:24 C 23 31 04.42 -16 00 19.6 u H21
2018-09-21 06:00:15 C 23 31 04.02 -15 59 33.3 u H21
2018-09-21 06:02:07 C 23 31 03.62 -15 58 47.3 u H21
2018-09-21 06:03:58 C 23 31 03.25 -15 58 01.5 u H21
2018-09-21 06:05:49 C 23 31 02.83 -15 57 15.5 u H21
2018-09-21 06:07:39 C 23 31 02.46 -15 56 29.4 u H21
2018-09-21 06:09:29 C 23 31 02.07 -15 55 44.2 u H21
2018-09-21 07:44:20 C 23 30 56.98 -15 11 44.8 U R58
2018-09-21 08:43:58 C 23 30 45.78 -14 47 00.6 U R58
2018-09-21 11:00:37 C 23 30 12.13 -13 53 24.7 U T05
2018-09-21 11:15:19 C 23 30 08.91 -13 47 12.0 U T05
2018-09-21 11:29:56 C 23 30 05.73 -13 41 01.3 U T05
2018-09-21 20:33:19 C 23 28 45.93 -09 49 21.3 V K83
2018-09-21 20:40:12 C 23 28 44.53 -09 46 22.1 V K83
2018-09-21 20:47:06 C 23 28 43.13 -09 43 23.0 V K83
2018-09-21 21:03:47 C 23 28 38.15 -09 36 21.9 o K88
2018-09-21 21:06:21 C 23 28 37.63 -09 35 14.7 o K88
2018-09-21 21:08:57 C 23 28 37.11 -09 34 07.3 o K88
2018-09-21 21:11:32 C 23 28 36.58 -09 33 00.2 o K88
2018-09-21 21:14:07 C 23 28 36.05 -09 31 53.0 o K88
2018-09-21 21:16:42 C 23 28 35.51 -09 30 45.8 o K88
2018-09-21 21:25:27 C 23 28 35.30 -09 26 46.2 V K83
2018-09-21 21:43:53 C 23 28 31.53 -09 18 49.1 q 160
2018-09-21 21:47:04 C 23 28 30.87 -09 17 26.1 q 160
2018-09-21 21:50:12 C 23 28 30.24 -09 16 04.5 q 160
2018-09-21 21:53:39 C 23 28 29.52 -09 14 34.6 q 160
2018-09-21 23:37:53 C 23 28 19.84 -08 25 03.8 U X31
2018-09-21 23:38:49 C 23 28 19.68 -08 24 40.3 U X31
2018-09-21 23:39:49 C 23 28 19.52 -08 24 13.1 U X31
2018-09-22 00:30:52 C 23 28 07.41 -08 02 37.5 q Y00
2018-09-22 00:31:45 C 23 28 07.28 -08 02 16.3 q Y00
2018-09-22 00:32:36 C 23 28 07.04 -08 01 53.4 q Y00
2018-09-22 00:53:40 C 23 28 05.52 -07 52 02.4 U I19
2018-09-22 00:57:16 C 23 28 04.81 -07 50 29.0 U I19
2018-09-22 01:01:03 C 23 28 04.05 -07 48 48.5 U I19
2018-09-22 02:13:12 C 23 27 36.01 -07 20 57.7 q L28
2018-09-22 02:21:29 C 23 27 34.42 -07 17 19.5 q L28
2018-09-22 02:29:36 C 23 27 32.90 -07 13 44.7 q L28
2018-09-22 02:37:59 C 23 27 31.33 -07 10 02.7 q L28
2018-09-22 04:25:31 C 23 27 29.34 -06 22 34.0 V I52
2018-09-22 04:25:42 C 23 27 29.31 -06 22 29.1 V I52