IAA RAS IAA Minor Planet Database

2018 SF2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6238149027
Semi-major axis (a)1.8269827517 AU
Inclination (i)2.58640579°
Long. of Asc. Node (Ω)355.19982572°
Arg. of Perihelion (ω)90.74336004°
Mean Anomaly (M)301.41964282°
Mean Motion (n)0.3991284400°/day
Perihelion dist (q)0.68728770 AU
Aphelion dist (Q)2.96662030 AU
Orbital Period2.46939990 yr
Physical Parameters
H (abs. magnitude)24.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.666″
Uncertainty—
Orbit TypeApollo
MOID0.008399 AU
Observations Used90
Oppositions1
Arc Total2018-2018
First Observation Used—
Last Observation Used2018-09-29
Observations (90)
Date Type RA Dec Mag Band Observatory
2018-09-28 07:40:16 C 23 36 57.80 +31 10 53.1 – V 703
2018-09-28 07:55:26 C 23 36 38.52 +31 25 11.5 – V 703
2018-09-28 08:03:01 C 23 36 28.80 +31 32 23.0 – V 703
2018-09-28 08:29:55 C 23 35 53.68 +31 58 16.6 – V I52
2018-09-28 08:30:11 C 23 35 53.31 +31 58 32.2 – V I52
2018-09-28 08:30:27 C 23 35 52.97 +31 58 47.9 – V I52
2018-09-28 08:30:43 C 23 35 52.63 +31 59 02.9 – V I52
2018-09-28 09:32:25 C 23 34 29.00 +33 00 20.0 – V I52
2018-09-28 09:32:42 C 23 34 28.64 +33 00 36.0 – V I52
2018-09-28 09:32:57 C 23 34 28.26 +33 00 52.7 – V I52
2018-09-28 09:33:14 C 23 34 27.90 +33 01 08.7 – V I52
2018-09-28 10:11:19 C 23 33 32.26 +33 39 53.2 – V H06
2018-09-28 10:13:35 C 23 33 29.13 +33 42 14.0 – V H06
2018-09-28 10:59:30 C 23 33 40.33 +34 32 41.2 – r P93
2018-09-28 11:00:22 C 23 33 39.07 +34 33 39.6 – r P93
2018-09-28 11:00:48 C 23 33 38.39 +34 34 09.2 – r P93
2018-09-28 11:01:14 C 23 33 37.76 +34 34 38.3 – r P93
2018-09-28 19:04:08 C 23 17 43.93 +45 25 18.8 – t L04
2018-09-28 19:06:45 C 23 17 48.72 +45 26 43.4 – V J95
2018-09-28 19:06:53 C 23 17 35.71 +45 29 49.6 – t L04
2018-09-28 19:10:59 C 23 17 36.38 +45 33 42.5 – V J95
2018-09-28 19:11:02 C 23 17 23.18 +45 36 40.0 – t L04
2018-09-28 19:14:20 C 23 17 13.12 +45 42 07.9 – t L04
2018-09-28 19:15:10 C 23 17 24.05 +45 40 39.1 – V J95
2018-09-28 19:18:11 C 23 17 09.41 +45 48 02.3 – r 106
2018-09-28 19:19:56 C 23 17 04.11 +45 50 55.9 – r 106
2018-09-28 19:21:40 C 23 16 58.75 +45 53 49.5 – r 106
2018-09-28 19:25:08 C 23 16 48.09 +45 59 37.0 – r 106
2018-09-28 19:28:31 C 23 16 43.63 +46 05 06.8 – q C77
2018-09-28 19:30:08 C 23 16 38.67 +46 07 48.3 – q C77
2018-09-28 19:31:46 C 23 16 33.54 +46 10 33.8 – q C77
2018-09-28 19:39:15 C 23 16 04.43 +46 23 26.9 – V L01
2018-09-28 19:39:28 C 23 16 03.74 +46 23 48.6 – V L01
2018-09-28 19:40:04 C 23 16 01.83 +46 24 49.2 – V L01
2018-09-28 19:40:28 C 23 16 00.53 +46 25 31.0 – V L01
2018-09-28 19:41:17 C 23 15 57.97 +46 26 52.5 – V L01
2018-09-28 19:41:42 C 23 15 56.61 +46 27 35.7 – V L01
2018-09-28 19:42:17 C 23 15 54.72 +46 28 35.0 – V L01
2018-09-28 19:43:54 C 23 15 53.09 +46 30 50.6 – V K38
2018-09-28 19:45:47 C 23 15 47.09 +46 34 01.3 – V K38
2018-09-28 19:47:39 C 23 15 41.12 +46 37 11.3 – V K38
2018-09-28 19:51:04 C 23 15 30.07 +46 43 00.7 – V K38
2018-09-28 19:54:14 C 23 15 19.80 +46 48 24.0 – V K38
2018-09-28 20:01:12 C 23 14 56.30 +47 00 56.0 – q 160
2018-09-28 20:02:06 C 23 14 53.30 +47 02 28.3 – q 160
2018-09-28 20:02:55 C 23 14 50.62 +47 03 51.2 – q 160
2018-09-28 20:03:43 C 23 14 47.85 +47 05 15.7 – q 160
2018-09-28 20:42:17 C 23 12 30.34 +48 11 59.2 – V 595
2018-09-28 20:43:44 C 23 12 25.08 +48 14 33.6 – V 595
2018-09-28 20:46:40 C 23 12 14.42 +48 19 44.0 – V 595