2015 SF20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5570085017 ± 4.25e-08
Semi-major axis (a)2.1291127645 AU ± 3.93e-08
Inclination (i)5.97086148° ± 5.23e-06
Long. of Asc. Node (Ω)336.83017116° ± 8.87e-05
Arg. of Perihelion (ω)2.91524446° ± 8.84e-05
Mean Anomaly (M)108.01189871° ± 2.20e-05
Mean Motion (n)0.3172592408°/day ± 8.79e-09
Perihelion dist (q)0.94317885 AU ± 9.21e-08
Aphelion dist (Q)3.31504668 AU ± 1.09e-07
Orbital Period3.10669054 yr ± 8.60e-08
Physical Parameters
H (abs. magnitude)19.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.274″
Uncertainty0
Orbit TypeApollo
MOID0.054158 AU
Observations Used93
Oppositions4
Arc Total2015-2021
First Observation Used2015-10-05
Last Observation Used2021-05-03
Observations (150)
Date Type RA Dec Mag Band Observatory
2015-11-22 11:05:15 C 05 48 36.02 +40 20 36.7 u 926
2015-11-22 11:24:15 C 05 48 33.87 +40 20 34.0 u 926
2015-12-17 08:22:59 C 04 52 57.97 +36 46 33.8 q I52
2015-12-17 08:35:32 C 04 52 57.07 +36 46 26.6 q I52
2015-12-17 08:54:16 C 04 52 55.82 +36 46 18.1 q I52
2016-01-14 02:43:59 C 04 33 47.59 +32 03 27.2 u H21
2016-01-14 03:02:29 C 04 33 47.62 +32 03 20.6 u H21
2016-01-14 03:24:08 C 04 33 47.60 +32 03 14.0 u H21
2018-04-16 07:05:25 C 15 15 49.10 -28 28 47.8 U 807
2018-04-16 07:13:34 C 15 15 48.76 -28 28 48.9 U 807
2018-04-16 07:22:52 C 15 15 48.40 -28 28 49.5 U 807
2018-04-17 06:20:30 C 15 14 55.50 -28 32 01.6 U 807
2018-04-17 06:28:44 C 15 14 55.15 -28 32 02.5 U 807
2018-04-17 06:38:10 C 15 14 54.74 -28 32 03.7 U 807
2018-05-09 07:19:40 C 14 43 25.11 -28 46 58.6 o 691
2018-05-09 07:25:39 C 14 43 24.60 -28 46 57.8 o 691
2018-05-09 07:42:40 C 14 43 23.31 -28 46 55.9 o 691
2018-05-09 07:48:39 C 14 43 22.78 -28 46 56.0 o 691
2018-05-09 08:05:33 C 14 43 21.51 -28 46 53.7 o 691
2018-05-09 08:11:31 C 14 43 20.99 -28 46 53.1 o 691
2018-05-19 06:46:48 C 14 24 25.86 -28 05 29.0 o 691
2018-05-19 06:55:03 C 14 24 25.20 -28 05 27.2 o 691
2018-05-19 07:03:12 C 14 24 24.50 -28 05 25.4 o 691
2018-10-28 02:21:36 C 19 53 16.71 -08 51 26.7 V I52
2018-10-28 02:25:34 C 19 53 17.91 -08 51 19.1 V I52
2018-10-28 02:26:10 C 19 53 18.07 -08 51 17.7 V I52
2018-10-28 02:26:45 C 19 53 18.23 -08 51 16.7 V I52
2018-10-29 02:51:03 C 20 00 44.20 -08 04 14.2 o 691
2018-10-29 02:57:19 C 20 00 46.08 -08 04 01.9 o 691
2018-10-29 03:03:34 C 20 00 47.93 -08 03 49.7 o 691
2018-11-03 05:39:14 C 20 38 31.110 -03 56 47.53 U F52
2018-11-03 05:56:33 C 20 38 36.317 -03 56 11.93 U F52
2018-11-03 06:14:00 C 20 38 41.598 -03 55 35.78 U F52
2018-11-03 06:31:20 C 20 38 46.838 -03 54 59.93 U F52
2018-11-06 04:59:39 C 21 00 27.187 -01 29 30.41 U F52
2018-11-06 05:19:14 C 21 00 33.036 -01 28 50.13 U F52
2018-11-06 05:38:51 C 21 00 38.899 -01 28 09.60 U F52
2018-11-06 05:58:29 C 21 00 44.755 -01 27 29.24 U F52
2018-11-09 05:02:00 C 21 22 18.061 +00 57 29.96 U F52
2018-11-09 05:20:31 C 21 22 23.487 +00 58 07.16 U F52
2018-11-09 05:57:34 C 21 22 34.350 +00 59 21.70 U F52
2018-11-12 02:42:18 C 21 42 56.51 +03 14 50.4 V G96
2018-11-12 02:50:25 C 21 42 58.80 +03 15 05.8 V G96
2018-11-12 02:58:33 C 21 43 01.13 +03 15 21.9 V G96
2018-11-12 03:06:40 C 21 43 03.48 +03 15 37.8 V G96
2018-11-17 09:50:02 S 22 18 51.122 +07 05 58.70 L C51
2018-11-27 08:32:27 S 23 18 29.52 +12 50 46.4 L C51
2018-11-27 11:40:56 S 23 19 12.34 +12 54 31.6 L C51
2018-11-27 14:49:26 S 23 19 55.00 +12 58 14.7 L C51
2018-11-27 17:57:46 S 23 20 37.56 +13 01 57.8 L C51