523802 (1998 KH9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4589589351 ± 4.60e-08
Semi-major axis (a)2.2032336198 AU ± 4.51e-09
Inclination (i)17.67115958° ± 6.76e-06
Long. of Asc. Node (Ω)82.61787642° ± 8.58e-06
Arg. of Perihelion (ω)185.38758373° ± 2.21e-05
Mean Anomaly (M)135.56075414° ± 1.61e-05
Mean Motion (n)0.3013848734°/day ± 9.26e-10
Perihelion dist (q)1.19203986 AU ± 1.01e-07
Aphelion dist (Q)3.21442738 AU ± 1.02e-07
Orbital Period3.27032433 yr ± 1.00e-08
Physical Parameters
H (abs. magnitude)18.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.443″
Uncertainty0
Orbit TypeAmor
MOID0.176082 AU
Observations Used260
Oppositions18
Arc Total1998-2024
First Observation Used1998-05-22
Last Observation Used2024-05-26
Observations (267)
Date Type RA Dec Mag Band Observatory
1998-05-29 11:03:57 C 15 13 38.80 +12 40 43.0 422
1998-05-29 11:06:47 C 15 13 38.63 +12 40 36.8 422
1998-05-29 21:55:56 C 15 13 15.65 +12 15 06.7 046
1998-05-29 21:57:16 C 15 13 15.60 +12 15 03.2 046
1998-05-29 21:58:37 C 15 13 15.55 +12 15 00.5 046
1998-05-29 22:05:57 C 15 13 15.25 +12 14 43.4 046
1998-05-29 22:07:44 C 15 13 15.17 +12 14 39.5 046
1998-05-30 05:24:44 C 15 13 01.09 +11 57 47.7 z 670
1998-05-30 05:39:29 C 15 13 00.43 +11 57 13.5 z 670
1998-05-30 06:01:44 C 15 12 59.53 +11 56 21.2 z 670
1998-05-30 10:23:01 C 15 12 51.58 +11 46 40.3 422
1998-05-30 10:24:47 C 15 12 51.50 +11 46 36.1 422
1998-05-30 10:26:33 C 15 12 51.42 +11 46 31.3 422
1998-05-30 15:25:44 C 15 12 39.52 +11 34 04.7 z 402
1998-05-30 15:27:44 C 15 12 39.43 +11 34 00.1 z 402
1998-05-30 15:29:45 C 15 12 39.34 +11 33 55.0 z 402
1998-05-31 00:35:53 C 15 12 21.09 +11 11 53.0 557
1998-05-31 00:39:15 C 15 12 20.95 +11 11 44.9 557
1998-05-31 00:49:18 C 15 12 20.56 +11 11 20.2 557
1998-05-31 06:30:44 C 15 12 10.41 +10 57 37.4 z 670
1998-05-31 06:45:14 C 15 12 09.91 +10 57 02.2 z 670
1998-05-31 07:02:29 C 15 12 09.11 +10 56 19.8 z 670
1998-05-31 12:19:48 C 15 11 59.60 +10 43 53.1 426
1998-05-31 12:27:28 C 15 11 59.33 +10 43 34.3 426
1998-05-31 12:33:27 C 15 11 59.06 +10 43 19.3 426
1998-05-31 22:17:57 C 15 11 39.40 +10 18 18.9 046
1998-05-31 22:20:23 C 15 11 39.32 +10 18 12.4 046
1998-05-31 22:22:27 C 15 11 39.21 +10 18 07.6 046
1998-05-31 22:23:26 C 15 11 39.19 +10 18 04.7 046
1998-06-01 21:54:39 C 15 10 54.69 +09 17 47.0 046
1998-06-01 21:56:19 C 15 10 54.64 +09 17 42.8 046
1998-06-01 21:58:16 C 15 10 54.55 +09 17 37.5 046
1998-06-01 22:48:44 C 15 10 52.60 +09 15 25.7 118
1998-06-01 22:55:49 C 15 10 52.33 +09 15 07.2 118
1998-06-02 00:14:30 C 15 10 49.53 +09 11 39.7 557
1998-06-02 00:15:41 C 15 10 49.48 +09 11 36.6 557
1998-06-02 00:16:52 C 15 10 49.44 +09 11 33.5 557
1998-06-02 21:52:57 C 15 10 10.77 +08 13 58.1 046
1998-06-02 21:54:19 C 15 10 10.72 +08 13 54.4 046
1998-06-02 21:55:47 C 15 10 10.66 +08 13 50.2 046
1998-06-03 22:57:43 C 15 09 26.28 +07 04 45.0 046
1998-06-03 22:58:40 C 15 09 26.21 +07 04 42.7 046
1998-06-03 23:00:17 C 15 09 26.18 +07 04 37.8 046
1998-06-04 20:51:10 C 15 08 50.27 +06 02 17.6 118
1998-06-04 21:16:18 C 15 08 49.42 +06 01 05.3 118
1998-06-04 21:17:24 C 15 08 49.46 +06 01 01.1 046
1998-06-04 21:18:27 C 15 08 49.41 +06 00 58.3 046
1998-06-04 21:20:27 C 15 08 49.36 +06 00 52.8 046
1998-06-04 21:21:56 C 15 08 49.30 +06 00 48.0 046
1998-06-04 23:39:35 C 15 08 44.68 +05 54 07.1 557