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
1998-09-29 01:36:51 C 00 39 39.33 -04 11 23.5 z 910
1998-10-02 13:20:14 C 00 46 14.54 -04 10 10.9 z 402
1998-10-02 13:22:14 C 00 46 14.69 -04 10 10.9 z 402
1998-10-02 13:24:14 C 00 46 14.83 -04 10 10.6 z 402
1998-10-02 16:25:59 C 00 46 27.36 -04 10 03.4 360
1998-10-02 16:30:00 C 00 46 27.63 -04 10 03.2 360
1998-10-02 16:33:44 C 00 46 27.90 -04 10 03.4 360
1998-10-08 15:53:44 C 00 57 25.94 -03 59 10.4 z 900
1998-10-08 16:09:21 C 00 57 26.99 -03 59 07.8 z 900
1998-10-13 13:15:42 C 01 06 03.91 -03 40 28.1 422
1998-10-13 13:17:47 C 01 06 04.11 -03 40 27.9 422
1998-10-13 13:30:57 C 01 06 04.74 -03 40 27.3 z 428
1998-10-13 14:07:36 C 01 06 07.02 -03 40 20.3 z 428
1998-10-13 16:39:39 C 01 06 16.71 -03 39 50.3 z 428
1998-10-13 21:56:30 C 01 06 41.41 -03 39 37.4 557
1998-10-13 22:03:16 C 01 06 41.85 -03 39 35.9 557
1998-10-14 07:00:54 C 01 07 19.83 -03 37 41.7 17.2 a 704
1998-10-14 07:29:30 C 01 07 21.63 -03 37 35.4 a 704
1998-10-14 08:27:01 C 01 07 25.05 -03 37 24.4 a 704
1998-10-15 05:07:26 C 01 08 55.06 -03 33 04.8 17.2 a 704
1998-10-15 05:35:02 C 01 08 56.70 -03 32 59.6 17.8 a 704
1998-10-15 06:02:40 C 01 08 58.38 -03 32 54.5 17.5 a 704
1998-10-15 06:30:23 C 01 09 00.11 -03 32 47.8 a 704
1998-10-15 06:58:07 C 01 09 01.83 -03 32 42.0 17.4 a 704
1998-10-16 00:45:56 C 01 10 16.12 -03 28 50.3 118
1998-10-16 00:54:16 C 01 10 16.65 -03 28 48.3 118
1998-10-16 04:54:31 C 01 10 35.48 -03 27 47.2 17.7 a 704
1998-10-16 05:23:26 C 01 10 37.24 -03 27 40.0 a 704
1998-10-16 05:52:25 C 01 10 38.99 -03 27 33.1 a 704
1998-10-16 06:21:44 C 01 10 40.82 -03 27 26.7 18.2 a 704
1998-10-16 06:50:47 C 01 10 42.54 -03 27 19.4 18.6 a 704
1998-10-16 13:17:04 C 01 11 09.72 -03 25 09.3 422
1998-10-16 13:18:21 C 01 11 09.78 -03 25 09.0 422
1998-10-16 13:19:11 C 01 11 09.83 -03 25 08.8 422
1998-10-16 13:20:28 C 01 11 09.90 -03 25 08.6 422
1998-10-16 13:21:43 C 01 11 09.99 -03 25 08.2 422
1998-10-17 06:03:04 C 01 12 20.06 -03 21 47.1 c 699
1998-10-17 06:35:15 C 01 12 21.95 -03 21 39.5 c 699
1998-10-17 07:07:26 C 01 12 23.88 -03 21 31.3 c 699
1998-10-20 01:00:14 C 01 16 52.89 -03 03 55.6 z 071
1998-10-20 01:05:44 C 01 16 53.24 -03 03 53.7 z 071
1998-10-20 01:08:29 C 01 16 53.38 -03 03 53.2 z 071
1998-10-20 01:11:14 C 01 16 53.57 -03 03 52.3 z 071
1998-10-20 01:13:59 C 01 16 53.73 -03 03 51.5 z 071
1998-10-20 01:16:44 C 01 16 53.91 -03 03 50.6 z 071
1998-10-20 01:19:29 C 01 16 54.09 -03 03 49.8 z 071
1998-10-21 12:53:28 C 01 19 19.26 -02 53 06.8 z 402
1998-10-21 12:55:28 C 01 19 19.38 -02 53 06.1 z 402
1998-10-21 12:57:28 C 01 19 19.50 -02 53 05.6 z 402
1998-10-26 21:32:49 C 01 27 41.06 -02 08 18.0 118