IAA RAS IAA Minor Planet Database

2018 SL3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5233395757 ± 3.65e-04
Semi-major axis (a)1.5787051219 AU ± 8.22e-04
Inclination (i)4.04036265° ± 2.67e-03
Long. of Asc. Node (Ω)4.99377913° ± 3.58e-03
Arg. of Perihelion (ω)89.83798512° ± 1.39e-02
Mean Anomaly (M)183.85661720° ± 1.12e+00
Mean Motion (n)0.4968905636°/day ± 3.88e-04
Perihelion dist (q)0.75250625 AU ± 6.97e-04
Aphelion dist (Q)2.40490399 AU ± 1.38e-03
Orbital Period1.98358825 yr ± 1.55e-03
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.312″
Uncertainty4
Orbit TypeApollo
MOID0.019437 AU
Observations Used53
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-30
Last Observation Used2018-10-13
Observations (53)
Date Type RA Dec Mag Band Observatory
2018-09-30 08:11:20 C 00 23 55.79 +03 38 29.7 – V G96
2018-09-30 08:19:26 C 00 23 54.92 +03 38 37.2 – V G96
2018-09-30 08:27:33 C 00 23 53.98 +03 38 45.2 – V G96
2018-09-30 08:35:39 C 00 23 53.02 +03 38 53.3 – V G96
2018-09-30 10:07:08 C 00 23 42.57 +03 40 23.7 – V I52
2018-09-30 10:10:44 C 00 23 42.11 +03 40 27.9 – V I52
2018-09-30 10:14:19 C 00 23 41.80 +03 40 30.9 – V I52
2018-09-30 23:30:12 C 00 22 21.89 +03 54 06.4 – V L01
2018-09-30 23:36:55 C 00 22 21.02 +03 54 13.4 – V L01
2018-09-30 23:45:27 C 00 22 20.02 +03 54 22.8 – V L01
2018-10-01 04:54:01 C 00 21 47.96 +04 00 07.2 – u H21
2018-10-01 05:04:54 C 00 21 46.52 +04 00 18.9 – u H21
2018-10-02 08:47:48 C 00 18 27.583 +04 34 09.80 – U F52
2018-10-02 09:04:39 C 00 18 25.014 +04 34 32.08 – U F52
2018-10-02 09:21:33 C 00 18 22.436 +04 34 54.32 – U F52
2018-10-02 09:38:27 C 00 18 19.832 +04 35 16.66 – U F52
2018-10-05 06:29:03 C 00 06 52.85 +06 29 06.5 – V G96
2018-10-05 06:37:09 C 00 06 50.93 +06 29 23.0 – V G96
2018-10-05 06:45:15 C 00 06 49.02 +06 29 40.2 – V G96
2018-10-05 06:53:21 C 00 06 47.14 +06 29 56.9 – V G96
2018-10-09 05:19:39 C 23 36 04.45 +11 28 13.0 18.6 q H21
2018-10-09 05:24:36 C 23 36 01.81 +11 28 36.4 19.0 q H21
2018-10-09 05:29:33 C 23 35 59.15 +11 28 59.3 18.8 q H21
2018-10-09 05:34:31 C 23 35 56.50 +11 29 22.8 18.8 q H21
2018-10-09 05:39:29 C 23 35 53.84 +11 29 46.2 18.9 q H21
2018-10-09 21:58:38 C 23 26 58.80 +12 53 26.7 – V J69
2018-10-09 22:04:18 C 23 26 55.12 +12 53 58.9 – V J69
2018-10-09 22:09:58 C 23 26 51.48 +12 54 31.0 – V J69
2018-10-10 02:57:56 C 23 23 57.99 +13 22 52.6 – V I52
2018-10-10 02:58:17 C 23 23 57.77 +13 22 54.7 – V I52
2018-10-10 02:58:37 C 23 23 57.53 +13 22 57.0 – V I52
2018-10-10 02:58:58 C 23 23 57.29 +13 22 59.1 – V I52
2018-10-10 18:27:03 C 23 12 57.17 +15 01 41.4 – q A17
2018-10-10 18:45:15 C 23 12 42.30 +15 03 50.2 – q A17
2018-10-10 18:56:29 C 23 12 33.11 +15 05 10.2 – q A17
2018-10-12 18:58:52 C 22 17 22.77 +22 28 55.3 – V 246
2018-10-12 18:59:13 C 22 17 22.18 +22 28 58.9 – V 246
2018-10-12 18:59:22 C 22 17 21.86 +22 29 00.7 18.9 V 246
2018-10-12 18:59:39 C 22 17 21.39 +22 29 04.2 – V 246
2018-10-12 18:59:48 C 22 17 21.23 +22 29 06.7 – V 246
2018-10-12 18:59:57 C 22 17 20.85 +22 29 07.8 – V 246
2018-10-12 19:00:06 C 22 17 20.58 +22 29 09.8 – V 246
2018-10-12 19:00:15 C 22 17 20.48 +22 29 10.5 – V 246
2018-10-12 19:00:24 C 22 17 20.16 +22 29 13.8 – V 246
2018-10-12 23:06:40 C 22 10 09.76 +23 17 49.8 – V 204
2018-10-12 23:12:05 C 22 09 59.99 +23 18 53.6 – V 204
2018-10-12 23:17:41 C 22 09 49.89 +23 19 59.8 – V 204
2018-10-12 23:22:10 C 22 09 41.81 +23 20 52.6 – V 204
2018-10-13 19:50:57 C 21 26 47.74 +27 43 48.3 – V 595
2018-10-13 19:57:15 C 21 26 31.66 +27 45 10.8 – V 595