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
1998-05-22 12:03:29 C 15 19 35.94 +18 03 17.1 c 566
1998-05-22 12:32:29 C 15 19 34.69 +18 02 30.2 c 566
1998-05-22 13:02:31 C 15 19 33.42 +18 01 41.3 c 566
1998-05-27 04:04:40 C 15 15 34.50 +14 38 47.6 18.1 a 704
1998-05-27 04:33:13 C 15 15 33.24 +14 37 49.0 18.1 a 704
1998-05-27 05:01:35 C 15 15 32.02 +14 36 51.8 18.4 a 704
1998-05-27 05:29:55 C 15 15 30.78 +14 35 54.2 18.2 a 704
1998-05-28 01:28:38 C 15 14 46.90 +13 53 56.6 046
1998-05-28 01:29:47 C 15 14 46.82 +13 53 53.8 046
1998-05-28 01:30:57 C 15 14 46.82 +13 53 51.3 046
1998-05-28 07:00:06 C 15 14 35.95 +13 42 14.9 17.6 a 704
1998-05-28 07:28:48 C 15 14 34.69 +13 41 12.8 18.3 a 704
1998-05-28 07:57:31 C 15 14 33.49 +13 40 10.1 18.2 a 704
1998-05-28 08:26:16 C 15 14 32.20 +13 39 08.5 18.0 a 704
1998-05-28 08:54:55 C 15 14 31.06 +13 38 05.6 a 704
1998-05-28 11:18:30 C 15 14 28.06 +13 33 29.3 422
1998-05-28 11:21:03 C 15 14 27.95 +13 33 23.2 422
1998-05-28 11:23:38 C 15 14 27.85 +13 33 18.5 422
1998-05-28 11:29:11 C 15 14 27.59 +13 33 06.3 422
1998-05-28 20:27:49 C 15 14 09.14 +13 12 47.4 z 620
1998-05-28 20:33:59 C 15 14 08.86 +13 12 34.0 z 620
1998-05-28 20:40:19 C 15 14 08.23 +13 12 16.2 557
1998-05-28 20:41:00 C 15 14 08.54 +13 12 18.7 z 620
1998-05-28 20:42:40 C 15 14 08.12 +13 12 10.7 557
1998-05-28 20:45:02 C 15 14 08.03 +13 12 05.7 557
1998-05-28 20:47:10 C 15 14 08.26 +13 12 05.3 z 620
1998-05-28 20:47:23 C 15 14 07.92 +13 12 00.3 557
1998-05-28 21:20:02 C 15 14 06.60 +13 10 48.7 046
1998-05-28 21:21:46 C 15 14 06.53 +13 10 45.2 046
1998-05-28 21:23:35 C 15 14 06.46 +13 10 41.2 046
1998-05-29 02:58:12 C 15 13 53.99 +12 58 55.1 860
1998-05-29 03:06:31 C 15 13 53.88 +12 58 33.2 860
1998-05-29 03:31:59 C 15 13 53.75 +12 57 04.0 784
1998-05-29 03:35:15 C 15 13 53.62 +12 56 56.7 784
1998-05-29 04:23:57 C 15 13 51.53 +12 55 07.2 784
1998-05-29 04:27:14 C 15 13 51.43 +12 54 59.9 784
1998-05-29 04:28:07 C 15 13 51.91 +12 54 59.8 z 734
1998-05-29 05:03:26 C 15 13 50.44 +12 53 39.2 z 734
1998-05-29 05:07:26 C 15 13 50.22 +12 53 32.0 z 734
1998-05-29 05:08:30 C 15 13 49.71 +12 53 27.6 784
1998-05-29 05:11:44 C 15 13 49.55 +12 53 19.6 784
1998-05-29 06:22:07 C 15 13 47.45 +12 50 46.5 a 704
1998-05-29 06:24:20 C 15 13 47.25 +12 50 42.8 z 711
1998-05-29 06:30:25 C 15 13 46.97 +12 50 29.2 z 711
1998-05-29 06:37:28 C 15 13 46.68 +12 50 13.1 z 711
1998-05-29 06:50:57 C 15 13 46.22 +12 49 41.4 a 704
1998-05-29 07:19:42 C 15 13 44.98 +12 48 36.2 a 704
1998-05-29 07:48:22 C 15 13 43.72 +12 47 30.4 a 704
1998-05-29 08:17:01 C 15 13 42.54 +12 46 26.8 a 704
1998-05-29 11:01:07 C 15 13 38.88 +12 40 49.6 422