2018 SN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3098014716 ± 5.54e-06
Semi-major axis (a)1.6841784844 AU ± 1.71e-05
Inclination (i)14.04706699° ± 1.85e-04
Long. of Asc. Node (Ω)32.93954582° ± 3.97e-05
Arg. of Perihelion (ω)320.73182984° ± 7.07e-05
Mean Anomaly (M)106.41687224° ± 1.79e-02
Mean Motion (n)0.4509517782°/day ± 6.86e-06
Perihelion dist (q)1.16241751 AU ± 1.50e-05
Aphelion dist (Q)2.20593946 AU ± 2.42e-05
Orbital Period2.18565783 yr ± 3.32e-05
Physical Parameters
H (abs. magnitude)21.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.364″
Uncertainty2
Orbit TypeAmor
MOID0.198314 AU
Observations Used116
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-16
Last Observation Used2018-12-13
Observations (116)
Date Type RA Dec Mag Band Observatory
2018-09-16 10:41:25 C 03 28 19.62 -16 46 16.4 V G96
2018-09-16 10:49:00 C 03 28 19.70 -16 46 02.7 V G96
2018-09-16 10:56:36 C 03 28 19.79 -16 45 50.0 V G96
2018-09-16 11:04:11 C 03 28 19.89 -16 45 36.8 V G96
2018-09-16 11:41:44 C 03 28 20.36 -16 44 32.6 V G96
2018-09-16 11:46:09 C 03 28 20.45 -16 44 24.5 V G96
2018-09-16 11:49:04 C 03 28 20.47 -16 44 20.1 V G96
2018-09-16 11:49:36 C 03 28 20.47 -16 44 18.7 V I52
2018-09-16 11:51:59 C 03 28 20.48 -16 44 14.9 V I52
2018-09-16 11:53:49 C 03 28 20.50 -16 44 11.7 V G96
2018-09-16 11:54:23 C 03 28 20.51 -16 44 10.9 V I52
2018-09-16 11:56:48 C 03 28 20.54 -16 44 06.7 V I52
2018-09-17 09:55:53 C 03 28 46.70 -16 06 03.0 V I52
2018-09-17 09:57:40 C 03 28 46.74 -16 05 59.7 V I52
2018-09-17 09:59:28 C 03 28 46.75 -16 05 56.8 V I52
2018-09-17 10:01:16 C 03 28 46.78 -16 05 53.8 V I52
2018-09-18 02:36:10 C 03 29 02.78 -15 36 46.4 V L01
2018-09-18 02:41:46 C 03 29 02.80 -15 36 36.3 V L01
2018-09-18 09:17:31 C 03 29 09.63 -15 24 46.4 V I52
2018-09-18 09:18:37 C 03 29 09.65 -15 24 44.5 V I52
2018-09-18 09:20:22 C 03 29 09.67 -15 24 41.5 V I52
2018-09-18 09:24:29 C 03 29 09.68 -15 24 34.0 V I52
2018-09-21 09:35:15 C 03 29 51.97 -13 11 35.7 V I52
2018-09-21 09:39:34 C 03 29 51.98 -13 11 27.9 V I52
2018-09-21 09:40:40 C 03 29 51.94 -13 11 25.6 V I52
2018-09-21 09:44:58 C 03 29 51.95 -13 11 17.7 V I52
2018-10-01 08:51:10 C 03 27 02.29 -04 51 40.7 u H21
2018-10-01 08:58:16 C 03 27 02.02 -04 51 24.8 u H21
2018-10-01 09:06:52 C 03 27 01.70 -04 51 05.1 u H21
2018-10-02 14:05:32 C 03 26 08.28 -03 43 55.4 V 474
2018-10-02 14:10:21 C 03 26 06.923 -03 44 23.74 U F52
2018-10-02 14:10:35 C 03 26 08.08 -03 43 43.6 V 474
2018-10-02 14:15:39 C 03 26 07.91 -03 43 32.1 V 474
2018-10-02 14:20:43 C 03 26 07.67 -03 43 20.0 V 474
2018-10-02 14:44:10 C 03 26 05.472 -03 43 05.38 U F52
2018-10-02 15:00:59 C 03 26 04.761 -03 42 26.66 U F52
2018-10-04 03:26:38 C 03 24 46.25 -02 17 43.2 V 204
2018-10-04 03:46:08 C 03 24 45.36 -02 16 57.3 V 204
2018-10-04 03:57:29 C 03 24 44.86 -02 16 30.7 V 204
2018-10-06 08:55:49 C 03 22 30.27 -00 10 10.0 V 703
2018-10-06 09:03:29 C 03 22 29.80 -00 09 52.4 V 703
2018-10-06 09:11:08 C 03 22 29.41 -00 09 33.4 V 703
2018-10-06 09:18:49 C 03 22 29.00 -00 09 15.2 V 703
2018-10-09 22:15:36 C 03 18 01.72 +03 18 03.2 q A17
2018-10-09 22:31:06 C 03 18 00.73 +03 18 42.0 q A17
2018-10-09 22:49:35 C 03 17 59.56 +03 19 26.8 q A17
2018-10-10 08:41:06 C 03 17 23.96 +03 43 57.2 V 703
2018-10-10 08:48:45 C 03 17 23.33 +03 44 16.9 V 703
2018-10-10 08:56:24 C 03 17 22.79 +03 44 36.0 V 703
2018-10-10 12:11:38 C 03 17 09.42 +03 52 38.6 V I52