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
2018-10-10 12:13:29 C 03 17 09.23 +03 52 42.7 V I52
2018-10-10 12:15:30 C 03 17 09.15 +03 52 48.1 V I52
2018-10-15 21:47:40 C 03 08 22.47 +09 13 36.0 q A17
2018-10-15 22:04:39 C 03 08 21.12 +09 14 18.0 q A17
2018-10-15 22:21:39 C 03 08 19.74 +09 15 00.2 q A17
2018-10-20 07:40:12 C 02 59 53.89 +13 29 36.1 o 691
2018-10-20 07:43:26 C 02 59 53.55 +13 29 44.4 o 691
2018-10-20 07:46:41 C 02 59 53.27 +13 29 51.3 o 691
2018-10-20 11:50:39 C 02 59 30.69 +13 39 22.4 V G96
2018-10-20 11:56:43 C 02 59 30.11 +13 39 36.5 V G96
2018-10-20 12:02:46 C 02 59 29.55 +13 39 50.9 V G96
2018-10-20 12:10:34 C 02 59 28.89 +13 40 09.5 V G96
2018-10-21 06:51:24 C 02 57 56.36 +14 23 50.3 V I52
2018-10-21 06:52:43 C 02 57 56.17 +14 23 53.7 V I52
2018-10-21 06:54:01 C 02 57 56.07 +14 23 57.8 V I52
2018-10-21 06:55:20 C 02 57 55.97 +14 24 00.1 V I52
2018-10-21 09:51:02 C 02 57 39.31 +14 30 49.2 o 691
2018-10-21 09:53:15 C 02 57 39.10 +14 30 54.8 o 691
2018-10-21 09:55:29 C 02 57 38.85 +14 30 59.7 o 691
2018-10-28 05:46:13 C 02 43 09.70 +20 25 36.2 V I52
2018-10-28 05:49:31 C 02 43 09.39 +20 25 43.5 V I52
2018-10-28 05:56:06 C 02 43 08.76 +20 25 56.9 V I52
2018-10-28 18:07:51 C 02 42 01.04 +20 49 59.9 q D29
2018-10-28 18:29:30 C 02 41 58.97 +20 50 41.0 q D29
2018-10-28 18:48:35 C 02 41 57.14 +20 51 17.6 q D29
2018-10-28 18:49:52 C 02 41 56.95 +20 51 21.2 q D29
2018-11-01 03:08:24 C 02 34 51.14 +23 20 14.3 V I52
2018-11-01 03:10:26 C 02 34 50.96 +23 20 17.7 V I52
2018-11-01 03:15:12 C 02 34 50.49 +23 20 27.1 V I52
2018-11-01 03:16:36 C 02 34 50.39 +23 20 29.3 V I52
2018-11-01 07:12:24 C 02 34 27.99 +23 27 26.7 V G96
2018-11-01 07:20:24 C 02 34 27.21 +23 27 40.5 V G96
2018-11-01 07:28:27 C 02 34 26.43 +23 27 54.5 V G96
2018-11-01 17:19:20 C 02 33 34.23 +23 44 54.1 q D29
2018-11-01 17:42:15 C 02 33 32.02 +23 45 33.7 q D29
2018-11-01 18:05:10 C 02 33 29.87 +23 46 11.8 q D29
2018-11-03 08:45:00 C 02 30 10.29 +24 50 29.2 o 691
2018-11-03 08:51:25 C 02 30 09.71 +24 50 39.3 o 691
2018-11-03 08:57:49 C 02 30 09.08 +24 50 49.4 o 691
2018-11-04 06:16:22 C 02 28 22.51 +25 24 33.7 V 703
2018-11-04 06:31:33 C 02 28 21.19 +25 24 57.8 V 703
2018-11-04 06:39:09 C 02 28 20.49 +25 25 07.6 V 703
2018-11-05 08:20:32 C 02 26 13.808 +26 04 17.12 U F52
2018-11-05 08:36:54 C 02 26 12.324 +26 04 41.83 U F52
2018-11-05 08:53:13 C 02 26 10.845 +26 05 06.35 U F52
2018-11-05 09:09:31 C 02 26 09.361 +26 05 30.67 U F52
2018-11-06 05:27:41 C 02 24 31.19 +26 35 00.4 o 691
2018-11-06 05:37:21 C 02 24 30.34 +26 35 15.0 o 691
2018-11-06 05:47:05 C 02 24 29.48 +26 35 28.6 o 691
2018-11-06 08:17:49 C 02 24 16.15 +26 39 01.7 V 703