826946 (1998 SG2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4581315694 ± 3.27e-08
Semi-major axis (a)2.2473079884 AU ± 1.07e-09
Inclination (i)2.50524389° ± 1.78e-06
Long. of Asc. Node (Ω)152.23970179° ± 4.16e-05
Arg. of Perihelion (ω)220.06193056° ± 4.48e-05
Mean Anomaly (M)18.72910680° ± 4.65e-06
Mean Motion (n)0.2925623143°/day ± 2.09e-10
Perihelion dist (q)1.21774525 AU ± 7.35e-08
Aphelion dist (Q)3.27687072 AU ± 7.35e-08
Orbital Period3.36894479 yr ± 2.40e-09
Physical Parameters
H (abs. magnitude)19.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.281″
Uncertainty0
Orbit TypeAmor
MOID0.217699 AU
Observations Used384
Oppositions20
Arc Total1998-2026
First Observation Used1998-08-17
Last Observation Used2026-01-21
Observations (418)
Date Type RA Dec Mag Band Observatory
1998-10-26 21:39:17 C 01 27 41.40 -02 08 15.6 118
1998-10-28 20:59:20 C 01 30 41.26 -01 49 22.3 z 587
1998-10-28 21:04:34 C 01 30 41.56 -01 49 21.3 z 587
1998-10-28 21:10:11 C 01 30 41.88 -01 49 19.0 z 587
1998-11-08 00:26:17 C 01 45 26.34 +00 03 29.4 118
1998-11-08 00:39:50 C 01 45 27.10 +00 03 36.4 118
1998-11-08 13:25:00 C 01 46 13.18 +00 10 12.7 360
1998-11-08 13:30:30 C 01 46 13.47 +00 10 15.4 360
1998-11-08 13:34:30 C 01 46 13.69 +00 10 17.4 360
1998-11-19 05:40:23 C 02 01 02.03 +02 28 59.1 a 699
1998-11-19 06:09:49 C 02 01 03.64 +02 29 17.4 a 699
1998-11-19 06:39:17 C 02 01 05.03 +02 29 34.2 a 699
2014-04-25 02:06:31 C 13 48 52.17 -07 53 15.4 L W84
2014-04-25 02:11:11 C 13 48 51.98 -07 53 14.3 L W84
2014-04-25 02:20:31 C 13 48 51.58 -07 53 12.1 L W84
2015-12-13 03:03:49 C 08 06 28.86 +16 06 24.8 20.6 u J43
2015-12-13 03:16:04 C 08 06 28.25 +16 06 25.2 20.1 u J43
2015-12-13 03:28:17 C 08 06 27.80 +16 06 27.1 19.7 u J43
2015-12-13 03:40:29 C 08 06 27.29 +16 06 28.4 20.5 u J43
2015-12-18 07:30:00 C 08 01 13.22 +16 24 52.0 o 691
2015-12-18 07:57:16 C 08 01 11.89 +16 24 56.5 o 691
2015-12-18 08:34:25 C 08 01 10.06 +16 25 02.8 o 691
2015-12-18 11:13:52 C 08 01 02.20 +16 25 29.5 o 291
2015-12-18 11:28:15 C 08 01 01.48 +16 25 31.7 o 291
2015-12-18 11:41:41 C 08 01 00.84 +16 25 33.8 o 291
2015-12-19 05:07:55 C 08 00 12.04 +16 28 28.9 o 691
2015-12-19 05:16:35 C 08 00 11.65 +16 28 30.5 o 691
2015-12-19 05:25:13 C 08 00 11.22 +16 28 32.5 o 691
2015-12-19 08:32:29 C 08 00 01.83 +16 29 05.8 o 926
2015-12-19 08:50:46 C 08 00 00.91 +16 29 08.7 o 926
2015-12-19 09:09:22 C 07 59 59.97 +16 29 12.0 o 926
2016-01-04 08:31:54 C 07 38 22.538 +17 47 16.48 L F51
2016-01-04 08:46:52 C 07 38 21.605 +17 47 19.74 L F51
2016-01-04 09:16:50 C 07 38 19.704 +17 47 26.59 L F51
2016-01-05 12:32:09 C 07 36 39.778 +17 53 27.28 L F51
2016-01-05 12:51:40 C 07 36 38.547 +17 53 31.55 L F51
2016-01-05 13:11:10 C 07 36 37.309 +17 53 35.69 L F51
2016-01-05 13:30:46 C 07 36 36.064 +17 53 39.87 L F51
2016-01-13 07:08:02 C 07 25 35.21 +18 33 56.3 q G96
2016-01-13 07:16:47 C 07 25 34.69 +18 33 58.4 q G96
2016-01-13 07:31:22 C 07 25 33.84 +18 34 01.1 q G96
2016-01-13 07:40:09 C 07 25 33.30 +18 34 03.2 q G96
2016-01-16 11:09:03 C 07 21 21.512 +18 49 42.75 L F51
2016-01-16 11:09:59 C 07 21 21.455 +18 49 42.98 L F51
2016-01-16 11:24:45 C 07 21 20.628 +18 49 45.87 L F51
2016-01-16 11:25:41 C 07 21 20.571 +18 49 46.16 L F51
2016-01-16 11:40:19 C 07 21 19.753 +18 49 48.99 L F51
2016-01-16 11:41:16 C 07 21 19.675 +18 49 49.31 L F51
2016-01-16 11:55:58 C 07 21 18.866 +18 49 52.13 L F51
2016-01-16 11:56:54 C 07 21 18.803 +18 49 52.39 L F51