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
1998-08-17 08:45:01 C 23 22 29.30 -03 40 59.8 19.2 a 704
1998-08-17 09:15:24 C 23 22 31.30 -03 40 55.7 19.4 a 704
1998-08-17 09:45:50 C 23 22 33.11 -03 40 53.8 19.6 a 704
1998-08-17 10:16:05 C 23 22 35.04 -03 40 52.0 19.2 a 704
1998-08-17 10:46:08 C 23 22 36.90 -03 40 47.8 19.3 a 704
1998-08-23 09:42:26 C 23 32 29.59 -03 31 33.0 18.8 a 704
1998-08-23 10:00:05 C 23 32 30.70 -03 31 29.7 18.8 a 704
1998-08-23 10:18:45 C 23 32 32.01 -03 31 29.9 19.1 a 704
1998-08-23 10:37:32 C 23 32 33.21 -03 31 30.2 19.2 a 704
1998-08-23 10:55:14 C 23 32 34.10 -03 31 30.4 19.2 a 704
1998-09-14 08:34:01 C 00 11 46.55 -03 50 40.4 18.1 a 704
1998-09-14 09:05:57 C 00 11 48.78 -03 50 43.7 a 704
1998-09-14 09:37:38 C 00 11 51.00 -03 50 46.2 18.4 a 704
1998-09-17 06:53:05 C 00 17 19.45 -03 56 27.6 a 699
1998-09-17 07:28:51 C 00 17 21.95 -03 56 30.7 a 699
1998-09-17 08:03:35 C 00 17 24.38 -03 56 33.2 a 699
1998-09-18 03:32:04 C 00 18 58.20 -03 58 09.6 z 734
1998-09-18 03:44:47 C 00 18 59.16 -03 58 10.1 z 734
1998-09-18 03:54:16 C 00 18 59.85 -03 58 10.7 z 734
1998-09-18 08:59:28 C 00 19 21.74 -03 58 31.7 17.6 a 704
1998-09-18 09:17:53 C 00 19 22.99 -03 58 33.0 a 704
1998-09-18 09:37:09 C 00 19 24.41 -03 58 34.6 a 704
1998-09-18 09:56:49 C 00 19 25.79 -03 58 34.7 a 704
1998-09-18 10:16:20 C 00 19 27.21 -03 58 36.7 a 704
1998-09-18 13:55:24 C 00 19 46.73 -03 58 14.5 b 426
1998-09-18 14:00:46 C 00 19 47.12 -03 58 14.8 b 426
1998-09-18 14:10:03 C 00 19 47.75 -03 58 15.6 b 426
1998-09-18 14:18:08 C 00 19 48.31 -03 58 16.0 b 426
1998-09-18 14:27:34 C 00 19 48.96 -03 58 17.1 b 426
1998-09-18 20:46:46 C 00 20 19.62 -03 59 34.8 z 108
1998-09-18 20:53:47 C 00 20 20.38 -03 59 32.6 z 108
1998-09-18 22:09:52 C 00 20 25.53 -03 59 40.7 557
1998-09-18 22:13:12 C 00 20 25.74 -03 59 40.2 557
1998-09-18 23:03:00 C 00 20 29.54 -03 59 45.1 b 611
1998-09-18 23:06:59 C 00 20 29.80 -03 59 45.6 b 611
1998-09-18 23:13:20 C 00 20 30.19 -03 59 43.0 z 468
1998-09-18 23:14:00 C 00 20 30.34 -03 59 46.4 b 611
1998-09-18 23:23:42 C 00 20 30.92 -03 59 43.7 z 468
1998-09-18 23:31:49 C 00 20 31.48 -03 59 44.3 z 468
1998-09-19 02:55:20 C 00 20 48.68 -04 00 00.7 b 816
1998-09-19 03:01:16 C 00 20 49.11 -04 00 01.1 b 816
1998-09-19 03:07:23 C 00 20 49.56 -04 00 01.8 b 816
1998-09-19 05:40:50 C 00 21 01.35 -04 00 10.7 z 734
1998-09-19 05:50:36 C 00 21 01.96 -04 00 11.3 z 734
1998-09-19 05:53:52 C 00 21 02.19 -04 00 11.5 z 734
1998-09-19 08:48:29 C 00 21 15.28 -04 00 23.6 z 670
1998-09-19 09:07:30 C 00 21 16.55 -04 00 23.9 z 670
1998-09-19 12:07:47 C 00 21 32.53 -03 59 55.1 422
1998-09-19 12:10:15 C 00 21 32.71 -03 59 55.2 422
1998-09-19 12:13:34 C 00 21 32.94 -03 59 55.4 422