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
2018-09-21 08:08:04 C 03 34 25.01 -02 57 44.9 u H21
2018-09-21 08:19:42 C 03 34 24.74 -02 57 46.7 u H21
2021-06-06 13:48:29 C 22 58 35.43 -20 42 45.8 V T08
2021-06-06 13:54:27 C 22 58 36.42 -20 42 49.7 V T08
2021-06-06 14:07:04 C 22 58 38.46 -20 42 59.2 V T08
2021-06-06 14:09:04 C 22 58 38.73 -20 43 00.7 V T08
2021-06-06 14:15:02 C 22 58 39.70 -20 43 03.6 V T08
2021-06-06 14:24:50 C 22 58 41.40 -20 43 11.4 V T08
2021-07-04 13:38:34 C 00 32 28.57 -28 02 50.4 V T08
2021-07-04 13:43:52 C 00 32 29.11 -28 02 54.4 V T08
2021-07-04 13:52:20 C 00 32 30.02 -28 02 59.8 V T08
2021-07-04 14:17:34 C 00 32 32.57 -28 03 16.2 V T08
2021-07-08 13:54:50 C 00 42 15.35 -29 04 10.4 V T08
2021-07-08 14:02:48 C 00 42 16.09 -29 04 15.8 V T08
2021-07-08 14:10:06 C 00 42 16.74 -29 04 20.1 V T08
2021-07-08 14:36:41 C 00 42 19.15 -29 04 37.6 V T08
2021-08-01 14:03:52 C 01 17 56.99 -35 15 59.3 V T08
2021-08-01 14:09:10 C 01 17 57.06 -35 16 02.8 V T08
2021-08-01 14:10:30 C 01 17 57.10 -35 16 04.5 V T08
2021-08-01 14:13:14 C 01 17 57.14 -35 16 05.1 V T08
2021-08-01 14:21:51 C 01 17 57.30 -35 16 10.6 V T08
2021-08-01 14:34:26 C 01 17 57.56 -35 16 19.1 V T08
2021-08-01 14:37:47 C 01 17 57.68 -35 16 21.2 V T08
2021-08-01 14:49:09 C 01 17 57.97 -35 16 28.7 V T08
2021-08-07 13:50:16 C 01 20 23.20 -36 46 05.5 V T05
2021-08-07 13:53:35 C 01 20 23.11 -36 46 07.0 V T05
2021-08-07 13:57:34 C 01 20 23.21 -36 46 10.1 V T05
2021-08-07 14:06:02 C 01 20 23.15 -36 46 15.6 V T05
2024-02-11 14:45:19 C 11 50 36.374 +33 17 25.19 X F52
2024-02-11 15:04:07 C 11 50 35.964 +33 17 38.19 X F52
2024-02-11 15:23:01 C 11 50 35.538 +33 17 51.50 X F52
2024-02-18 06:57:42 C 11 46 25.439 +35 10 37.70 V G96
2024-02-18 07:05:05 C 11 46 25.252 +35 10 42.38 V G96
2024-02-18 07:12:29 C 11 46 24.942 +35 10 47.68 V G96
2024-02-18 07:19:54 C 11 46 24.715 +35 10 53.15 V G96
2024-03-11 07:01:00 C 11 20 44.005 +40 27 11.84 V G96
2024-03-11 07:08:29 C 11 20 43.537 +40 27 14.90 V G96
2024-03-11 07:16:05 C 11 20 43.055 +40 27 18.11 V G96
2024-03-11 07:24:04 C 11 20 42.522 +40 27 21.82 V G96
2024-03-27 09:54:29 C 10 57 15.138 +41 58 17.64 X F52
2024-03-27 10:09:27 C 10 57 14.277 +41 58 17.90 X F52
2024-03-27 10:38:38 C 10 57 12.567 +41 58 18.64 X F52
2024-04-15 03:50:19 C 10 38 39.638 +40 38 40.56 V G96
2024-04-15 03:57:50 C 10 38 39.433 +40 38 38.22 V G96
2024-04-15 04:05:21 C 10 38 39.246 +40 38 34.98 V G96
2024-04-15 04:12:51 C 10 38 39.037 +40 38 32.71 V G96
2024-04-22 05:55:43 C 10 35 55.436 +39 25 36.30 X F51
2024-04-22 06:13:22 C 10 35 55.212 +39 25 28.04 X F51
2024-04-22 06:31:02 C 10 35 55.037 +39 25 19.47 X F51
2024-04-24 08:49:35 C 10 35 35.185 +39 00 04.43 X F52