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
1998-09-19 12:15:06 C 00 21 33.05 -03 59 55.7 422
1998-09-19 12:45:02 C 00 21 35.05 -04 00 01.0 z 428
1998-09-19 12:50:49 C 00 21 35.56 -04 00 01.1 z 428
1998-09-19 13:37:42 C 00 21 39.32 -04 00 44.4 z 402
1998-09-19 13:39:42 C 00 21 39.46 -04 00 44.7 z 402
1998-09-19 13:41:42 C 00 21 39.60 -04 00 44.7 z 402
1998-09-19 13:43:41 C 00 21 39.75 -04 00 45.0 z 402
1998-09-19 14:04:07 C 00 21 41.18 -04 00 04.8 b 426
1998-09-19 14:12:47 C 00 21 41.80 -04 00 05.4 b 426
1998-09-19 14:21:40 C 00 21 42.41 -04 00 06.1 b 426
1998-09-19 14:48:15 C 00 21 44.30 -04 00 50.0 z 900
1998-09-19 15:06:27 C 00 21 45.57 -04 00 51.2 z 900
1998-09-19 23:58:37 C 00 22 27.27 -04 01 37.4 046
1998-09-20 00:01:49 C 00 22 27.50 -04 01 37.7 046
1998-09-20 00:03:36 C 00 22 27.62 -04 01 37.8 046
1998-09-20 00:05:10 C 00 22 27.73 -04 01 37.9 046
1998-09-20 11:32:34 C 00 23 23.85 -04 01 41.1 z 428
1998-09-20 11:57:42 C 00 23 25.70 -04 01 42.3 z 428
1998-09-20 12:11:03 C 00 23 26.60 -04 01 43.8 z 428
1998-09-20 23:47:50 C 00 24 20.47 -04 03 19.7 557
1998-09-20 23:51:11 C 00 24 20.71 -04 03 19.9 557
1998-09-20 23:54:31 C 00 24 20.95 -04 03 20.2 557
1998-09-21 00:01:16 C 00 24 21.43 -04 03 20.0 z 540
1998-09-21 00:09:09 C 00 24 22.01 -04 03 20.5 z 540
1998-09-21 00:16:36 C 00 24 22.57 -04 03 21.0 z 540
1998-09-23 14:16:14 C 00 29 18.13 -04 06 23.0 b 426
1998-09-23 14:34:45 C 00 29 19.41 -04 06 24.1 b 426
1998-09-23 14:54:13 C 00 29 20.77 -04 06 25.1 b 426
1998-09-24 00:23:22 C 00 30 05.29 -04 07 42.4 z 910
1998-09-24 00:57:39 C 00 30 07.72 -04 07 44.0 z 910
1998-09-24 01:31:55 C 00 30 10.17 -04 07 45.7 z 910
1998-09-25 00:46:22 C 00 32 00.88 -04 08 54.6 046
1998-09-25 00:49:01 C 00 32 01.08 -04 08 54.8 046
1998-09-25 00:52:23 C 00 32 01.33 -04 08 54.8 046
1998-09-25 23:40:30 C 00 33 50.12 -04 09 50.2 557
1998-09-25 23:43:50 C 00 33 50.35 -04 09 50.4 557
1998-09-26 05:08:57 C 00 34 17.52 -04 09 54.1 17.7 a 704
1998-09-26 05:33:01 C 00 34 19.23 -04 09 56.2 18.0 a 704
1998-09-26 05:57:02 C 00 34 20.84 -04 09 56.4 17.9 a 704
1998-09-26 06:21:02 C 00 34 22.61 -04 09 55.8 18.4 a 704
1998-09-26 06:45:00 C 00 34 24.17 -04 09 56.8 17.7 a 704
1998-09-27 01:44:28 C 00 35 55.07 -04 09 55.3 z 860
1998-09-27 01:56:11 C 00 35 55.92 -04 09 51.0 z 860
1998-09-27 07:14:13 C 00 36 20.00 -04 10 39.8 17.7 a 704
1998-09-27 07:40:09 C 00 36 21.76 -04 10 40.6 a 704
1998-09-27 08:05:21 C 00 36 23.56 -04 10 40.5 a 704
1998-09-27 08:30:27 C 00 36 25.31 -04 10 42.3 a 704
1998-09-27 08:56:12 C 00 36 27.15 -04 10 43.4 18.2 a 704
1998-09-29 00:30:42 C 00 39 34.65 -04 11 23.4 z 910
1998-09-29 01:03:19 C 00 39 36.95 -04 11 23.5 z 910