496837 (1998 SB15)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1614435561 ± 2.39e-08
Semi-major axis (a)1.2264520826 AU ± 4.90e-10
Inclination (i)15.62541756° ± 1.08e-05
Long. of Asc. Node (Ω)6.74188239° ± 6.33e-06
Arg. of Perihelion (ω)67.69616155° ± 2.84e-05
Mean Anomaly (M)302.46669952° ± 2.52e-05
Mean Motion (n)0.7256653705°/day ± 4.35e-10
Perihelion dist (q)1.02844930 AU ± 2.93e-08
Aphelion dist (Q)1.42445487 AU ± 2.93e-08
Orbital Period1.35823800 yr ± 8.14e-10
Physical Parameters
H (abs. magnitude)20.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.424″
Uncertainty0
Orbit TypeAmor
MOID0.110614 AU
Observations Used184
Oppositions6
Arc Total1998-2021
First Observation Used1998-09-21
Last Observation Used2021-08-03
Observations (378)
Date Type RA Dec Mag Band Observatory
1998-09-21 06:41:17 C 00 19 49.94 -18 25 47.2 18.6 a 704
1998-09-21 07:13:17 C 00 19 43.69 -18 24 28.3 19.2 a 704
1998-09-21 07:45:11 C 00 19 37.34 -18 23 10.5 19.4 a 704
1998-09-21 08:29:55 C 00 19 28.50 -18 21 18.3 18.9 a 704
1998-09-21 09:01:49 C 00 19 22.13 -18 20 00.9 19.1 a 704
1998-09-21 23:38:19 C 00 16 41.06 -17 43 22.7 557
1998-09-21 23:39:59 C 00 16 40.78 -17 43 18.2 557
1998-09-21 23:41:40 C 00 16 40.44 -17 43 13.8 557
1998-09-21 23:57:42 C 00 16 38.98 -17 42 19.9 954
1998-09-21 23:59:51 C 00 16 38.55 -17 42 14.4 954
1998-09-22 00:00:35 C 00 16 38.41 -17 42 12.6 954
1998-09-22 13:57:50 C 00 13 59.21 -17 04 54.7 422
1998-09-22 13:59:06 C 00 13 58.95 -17 04 51.5 422
1998-09-22 14:00:50 C 00 13 58.61 -17 04 46.6 422
1998-09-22 22:52:42 C 00 12 16.74 -16 42 08.7 557
1998-09-22 22:57:30 C 00 12 15.74 -16 41 55.5 557
1998-09-22 22:59:06 C 00 12 15.45 -16 41 51.2 557
1998-09-22 23:00:42 C 00 12 15.13 -16 41 47.1 557
1998-09-23 13:41:07 C 00 09 24.81 -16 00 11.7 b 426
1998-09-23 13:47:17 C 00 09 23.53 -15 59 54.4 b 426
1998-09-23 13:53:36 C 00 09 22.18 -15 59 36.8 b 426
1998-09-23 22:10:05 C 00 07 43.95 -15 37 22.1 046
1998-09-23 22:11:22 C 00 07 43.63 -15 37 18.2 046
1998-09-23 22:12:40 C 00 07 43.41 -15 37 14.9 046
1998-09-23 22:13:47 C 00 07 43.16 -15 37 12.0 046
1998-09-23 23:00:18 C 00 07 33.34 -15 34 59.3 557
1998-09-23 23:01:39 C 00 07 33.07 -15 34 55.3 557
1998-09-23 23:03:00 C 00 07 32.75 -15 34 51.9 557
1998-09-23 23:04:20 C 00 07 32.52 -15 34 48.3 557
1998-09-24 03:47:45 C 00 06 38.78 -15 21 01.6 18.5 a 704
1998-09-24 04:20:00 C 00 06 31.96 -15 19 27.0 17.9 a 704
1998-09-24 04:52:26 C 00 06 25.16 -15 17 55.5 17.4 a 704
1998-09-24 05:24:41 C 00 06 18.28 -15 16 21.8 17.1 a 704
1998-09-24 05:56:56 C 00 06 11.36 -15 14 48.7 17.6 a 704
1998-09-24 06:03:35 C 00 06 09.90 -15 14 30.6 18.1 a 704
1998-09-24 06:35:56 C 00 06 02.94 -15 12 56.6 18.0 a 704
1998-09-24 07:08:07 C 00 05 56.05 -15 11 24.3 18.0 a 704
1998-09-24 07:40:05 C 00 05 49.14 -15 09 49.3 18.2 a 704
1998-09-24 08:11:55 C 00 05 42.34 -15 08 14.2 18.7 a 704
1998-09-24 13:14:27 C 00 04 43.82 -14 52 25.4 b 426
1998-09-24 13:19:45 C 00 04 42.71 -14 52 09.8 b 426
1998-09-24 13:25:35 C 00 04 41.45 -14 51 52.9 b 426
1998-09-24 22:35:06 C 00 02 49.13 -14 25 47.2 046
1998-09-24 22:36:44 C 00 02 48.82 -14 25 42.6 046
1998-09-24 22:38:03 C 00 02 48.50 -14 25 38.9 046
1998-09-25 12:02:53 C 00 00 04.84 -13 43 28.7 422
1998-09-25 12:05:07 C 00 00 04.33 -13 43 22.8 422
1998-09-25 12:06:15 C 00 00 04.15 -13 43 19.2 422
1998-09-27 06:45:14 C 23 51 04.60 -11 26 57.5 a 699
1998-09-27 07:21:00 C 23 50 56.35 -11 24 57.8 a 699