IAA RAS IAA Minor Planet Database

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
2018-03-03 08:10:47 S 06 22 32.03 +57 40 44.9 – L C51
2018-03-03 09:45:02 S 06 22 56.03 +57 37 15.6 – L C51
2018-03-03 11:19:17 S 06 23 19.98 +57 33 45.8 – L C51
2018-03-03 12:53:32 S 06 23 43.73 +57 30 15.8 – L C51
2018-03-03 14:27:47 S 06 24 07.48 +57 26 46.2 – L C51
2018-03-03 16:02:02 S 06 24 31.11 +57 23 15.5 – L C51
2018-03-03 17:36:17 S 06 24 54.835 +57 19 45.80 – L C51
2018-03-03 19:10:21 S 06 25 18.32 +57 16 15.5 – L C51
2018-03-03 20:44:37 S 06 25 41.81 +57 12 44.8 – L C51
2018-03-03 22:18:52 S 06 26 05.20 +57 09 13.8 – L C51
2018-03-03 23:53:07 S 06 26 28.52 +57 05 43.6 – L C51
2018-03-04 01:27:21 S 06 26 51.79 +57 02 11.9 – L C51
2018-03-04 03:01:36 S 06 27 15.16 +56 58 40.2 – L C51
2018-03-04 04:35:52 S 06 27 38.34 +56 55 08.7 – L C51
2018-03-04 06:10:07 S 06 28 01.43 +56 51 37.4 – L C51
2018-03-04 07:44:22 S 06 28 24.45 +56 48 04.8 – L C51
2018-03-04 09:18:26 S 06 28 47.42 +56 44 33.5 – L C51
2018-03-04 12:26:56 S 06 29 33.17 +56 37 28.8 – L C51
2018-03-04 14:01:11 S 06 29 56.03 +56 33 57.0 – L C51
2018-03-04 15:35:26 S 06 30 18.77 +56 30 23.9 – L C51
2018-03-04 17:09:42 S 06 30 41.63 +56 26 51.1 – L C51
2018-03-04 18:43:56 S 06 31 04.14 +56 23 18.0 – L C51
2018-03-04 20:18:11 S 06 31 26.59 +56 19 44.9 – L C51
2018-03-04 21:52:26 S 06 31 49.14 +56 16 12.2 – L C51
2018-03-04 23:26:42 S 06 32 11.63 +56 12 38.3 – L C51
2018-03-05 01:00:46 S 06 32 33.94 +56 09 04.8 – L C51
2018-03-05 01:00:57 S 06 32 34.01 +56 09 05.1 – L C51
2018-03-05 02:35:00 S 06 32 56.25 +56 05 32.1 – L C51
2018-03-05 04:09:15 S 06 33 18.55 +56 01 57.8 – L C51
2018-03-05 05:43:31 S 06 33 40.71 +55 58 26.0 – L C51
2018-03-05 07:17:46 S 06 34 02.99 +55 54 50.5 – L C51
2018-03-05 08:52:01 S 06 34 25.01 +55 51 14.8 – L C51
2018-03-05 10:26:16 S 06 34 47.01 +55 47 41.3 – L C51
2018-03-05 12:00:31 S 06 35 09.10 +55 44 07.0 – L C51
2018-03-05 13:34:46 S 06 35 30.90 +55 40 32.2 – L C51
2018-03-05 15:09:01 S 06 35 52.78 +55 36 57.1 – L C51
2018-03-05 16:43:05 S 06 36 14.60 +55 33 23.7 – L C51
2018-03-05 18:17:21 S 06 36 36.34 +55 29 48.4 – L C51
2018-03-05 21:25:50 S 06 37 19.56 +55 22 37.8 – L C51
2018-03-05 23:00:05 S 06 37 41.17 +55 19 03.2 – L C51
2018-03-06 00:34:21 S 06 38 02.74 +55 15 27.0 – L C51
2018-03-06 02:08:36 S 06 38 24.27 +55 11 51.4 – L C51
2018-03-06 04:35:16 C 06 38 56.16 +55 06 24.5 – U G96
2018-03-06 04:42:53 C 06 38 57.84 +55 06 06.2 – U G96
2018-03-06 04:58:09 C 06 39 01.16 +55 05 31.3 – U G96
2018-03-06 05:17:06 S 06 39 07.03 +55 04 39.8 – L C51
2018-03-06 09:59:40 S 06 40 10.670 +54 53 52.98 – L C51
2018-03-06 13:08:10 S 06 40 52.927 +54 46 40.37 – L C51
2018-03-06 16:16:40 S 06 41 34.937 +54 39 26.75 – L C51
2018-03-06 19:25:10 S 06 42 16.778 +54 32 13.70 – L C51