333889 (1998 SV4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6419692479 ± 2.00e+00
Semi-major axis (a)0.8164936150 AU ± 3.00e+00
Inclination (i)53.29671024° ± 4.00e+00
Long. of Asc. Node (Ω)177.24078696° ± 5.00e+00
Arg. of Perihelion (ω)359.52415149° ± 6.00e+00
Mean Anomaly (M)101.91630371° ± 1.03e-04
Mean Motion (n)1.3359281060°/day ± 7.36e+00
Perihelion dist (q)0.29232982 AU ± 1.95e+00
Aphelion dist (Q)1.34065741 AU ± 5.19e+00
Orbital Period0.73778393 yr ± 4.07e+00
NGA Modelr2
A22.31772774e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.24
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.171″
Uncertainty0
Orbit TypeAten
MOID0.334246 AU
Observations Used844
Gaia Obs Used60
Oppositions6
Arc Total1998-2015
First Observation Used1998-09-19
Last Observation Used2024-09-28
Observations (1063)
Date Type RA Dec Mag Band Observatory
1998-09-23 19:54:17 C 22 27 17.52 +01 55 33.2 118
1998-09-23 19:56:51 C 22 27 17.07 +01 55 21.7 118
1998-09-23 20:01:18 C 22 27 16.27 +01 55 01.6 118
1998-09-23 21:40:50 C 22 26 58.23 +01 47 25.9 z 587
1998-09-23 21:44:14 C 22 26 57.57 +01 47 10.0 z 587
1998-09-23 21:48:37 C 22 26 56.83 +01 46 50.1 z 587
1998-09-24 06:06:14 C 22 25 29.09 +01 09 07.8 z 670
1998-09-24 06:16:14 C 22 25 27.29 +01 08 22.1 z 670
1998-09-24 06:34:14 C 22 25 23.98 +01 07 01.2 z 670
1998-09-24 06:42:14 C 22 25 22.63 +01 06 24.2 z 670
1998-09-24 07:02:00 C 22 25 19.08 +01 04 55.0 z 670
1998-09-24 21:51:01 C 22 22 45.76 -00 01 41.4 118
1998-09-24 21:53:09 C 22 22 45.37 -00 01 51.0 118
1998-09-24 21:56:32 C 22 22 44.79 -00 02 05.9 118
1998-09-25 02:50:36 C 22 21 55.96 -00 23 46.9 17.9 a 704
1998-09-25 03:24:20 C 22 21 50.09 -00 26 14.9 18.5 a 704
1998-09-25 03:57:43 C 22 21 44.28 -00 28 43.1 a 704
1998-09-25 04:31:03 C 22 21 38.44 -00 31 10.5 18.2 a 704
1998-09-25 05:04:23 C 22 21 32.71 -00 33 37.4 a 704
1998-09-25 12:19:49 C 22 20 19.66 -01 05 03.4 422
1998-09-25 12:21:09 C 22 20 19.44 -01 05 08.8 422
1998-09-25 12:22:12 C 22 20 19.27 -01 05 13.6 422
1998-09-27 10:57:48 C 22 12 54.60 -04 22 07.3 422
1998-09-27 10:59:19 C 22 12 54.37 -04 22 13.6 422
1998-09-27 11:00:10 C 22 12 54.21 -04 22 17.6 422
1998-09-27 21:09:16 C 22 11 21.93 -05 03 52.0 557
1998-09-27 21:10:42 C 22 11 21.73 -05 03 57.2 557
1998-09-27 21:13:34 C 22 11 21.31 -05 04 09.2 557
1998-09-29 19:06:43 C 22 04 48.94 -08 01 13.6 046
1998-09-29 19:09:40 C 22 04 48.55 -08 01 25.0 046
1998-09-29 19:11:58 C 22 04 48.24 -08 01 33.2 046
1998-09-29 19:13:09 C 22 04 48.05 -08 01 37.9 046
1998-10-01 11:22:00 C 21 59 33.97 -10 24 53.7 z 402
1998-10-01 11:24:00 C 21 59 33.64 -10 25 01.2 z 402
1998-10-01 11:26:00 C 21 59 33.44 -10 25 08.2 z 402
1998-10-14 13:41:45 C 21 32 26.37 -23 35 14.4 422
1998-10-14 13:44:32 C 21 32 26.17 -23 35 19.4 422
1998-10-16 12:21:47 C 21 30 10.74 -24 53 03.2 422
1998-10-16 12:22:52 C 21 30 10.67 -24 53 04.2 422
2001-08-23 09:36:08 C 01 55 37.15 +29 59 25.5 19.4 m 704
2001-08-23 09:56:13 C 01 55 35.69 +29 58 57.1 19.6 m 704
2001-08-23 10:13:46 C 01 55 34.42 +29 58 31.4 19.7 m 704
2001-08-23 10:31:18 C 01 55 33.07 +29 58 07.0 19.4 m 704
2001-08-23 10:48:50 C 01 55 31.78 +29 57 41.4 19.5 m 704
2001-08-24 23:27:36 C 01 52 51.04 +29 02 56.4 c 611
2001-08-24 23:33:58 C 01 52 50.58 +29 02 46.3 m 611
2001-08-24 23:39:52 C 01 52 50.33 +29 02 39.0 c 611
2001-08-27 09:44:21 C 01 48 00.46 +27 25 55.0 20.3 c 704
2001-08-27 10:03:36 C 01 47 58.57 +27 25 20.5 20.2 c 704
2001-08-27 10:22:49 C 01 47 56.85 +27 24 45.9 19.9 c 704