1998 KH

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7137749373 ± 1.28e-06
Semi-major axis (a)1.6503611302 AU ± 1.08e-08
Inclination (i)26.23819745° ± 1.02e-04
Long. of Asc. Node (Ω)44.63735959° ± 2.07e-05
Arg. of Perihelion (ω)64.47449623° ± 1.69e-04
Mean Anomaly (M)21.40181128° ± 4.69e-05
Mean Motion (n)0.4648831407°/day ± 4.57e-09
Perihelion dist (q)0.47237472 AU ± 2.11e-06
Aphelion dist (Q)2.82834754 AU ± 2.11e-06
Orbital Period2.12015923 yr ± 2.08e-08
Physical Parameters
H (abs. magnitude)19.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.462″
Uncertainty0
Orbit TypeApollo
MOID0.066972 AU
Observations Used128
Oppositions9
Arc Total1998-2015
First Observation Used1998-05-16
Last Observation Used2015-06-01
Observations (150)
Date Type RA Dec Mag Band Observatory
1998-05-22 12:33:00 C 12 40 34.17 -13 10 13.3 360
1998-05-22 12:39:15 C 12 40 34.49 -13 10 24.3 360
1998-05-25 20:38:04 C 12 44 41.67 -15 23 13.6 118
1998-05-25 20:41:13 C 12 44 41.79 -15 23 18.0 118
1998-05-25 20:50:34 C 12 44 42.23 -15 23 31.2 118
1998-05-27 12:38:30 C 12 46 38.32 -16 18 16.7 360
1998-05-27 12:44:45 C 12 46 38.58 -16 18 25.7 360
1998-05-27 12:51:14 C 12 46 38.92 -16 18 33.4 360
2010-10-06 04:44:45 S 21 31 21.017 -77 36 52.74 L C51
2010-10-06 04:44:56 S 21 31 20.945 -77 36 53.10 L C51
2010-10-06 06:20:06 S 21 29 52.322 -77 36 46.19 L C51
2010-10-06 09:30:37 S 21 26 54.658 -77 36 27.58 L C51
2010-10-06 12:41:08 S 21 23 56.782 -77 36 01.22 L C51
2010-10-06 15:51:29 S 21 20 58.687 -77 35 26.92 L C51
2010-10-06 15:51:40 S 21 20 58.553 -77 35 27.13 L C51
2015-04-19 01:27:01 S 19 40 17.614 +05 05 05.17 L C51
2015-04-19 03:01:38 S 19 39 20.774 +04 56 03.05 L C51
2015-05-08 01:05:27 C 15 20 07.41 -27 43 10.8 r Y00
2015-05-08 01:06:43 C 15 20 06.98 -27 43 12.7 r Y00
2015-05-08 01:08:02 C 15 20 06.55 -27 43 13.5 r Y00
2015-05-08 03:30:26 C 15 19 17.34 -27 46 03.9 u 807
2015-05-08 03:33:46 C 15 19 16.16 -27 46 08.1 u 807
2015-05-08 03:37:03 C 15 19 15.01 -27 46 12.1 u 807
2015-05-08 03:41:20 C 15 19 13.51 -27 46 17.4 u 807
2015-05-08 03:44:08 C 15 19 12.52 -27 46 20.9 u 807
2015-05-08 03:46:01 C 15 19 10.81 -27 46 29.2 r Y00
2015-05-08 03:47:38 C 15 19 11.31 -27 46 25.1 u 807
2015-05-08 03:47:45 C 15 19 10.19 -27 46 31.1 r Y00
2015-05-08 03:49:31 C 15 19 09.59 -27 46 33.6 r Y00
2015-05-08 03:50:25 C 15 19 10.32 -27 46 28.5 u 807
2015-05-08 03:51:18 C 15 19 08.98 -27 46 35.9 r Y00
2015-05-08 03:52:36 C 15 19 08.50 -27 46 37.1 r Y00
2015-05-08 03:53:54 C 15 19 08.07 -27 46 38.5 r Y00
2015-05-08 03:54:19 C 15 19 08.97 -27 46 33.2 u 807
2015-05-08 03:54:57 C 15 19 07.65 -27 46 39.7 r Y00
2015-05-08 03:56:34 C 15 19 07.11 -27 46 42.0 r Y00
2015-05-08 03:58:11 C 15 19 06.55 -27 46 43.7 r Y00
2015-05-08 03:59:40 C 15 19 06.05 -27 46 45.9 r Y00
2015-05-08 04:00:40 C 15 19 05.66 -27 46 46.6 r Y00
2015-05-08 04:01:45 C 15 19 05.26 -27 46 48.5 r Y00
2015-05-08 05:04:35 C 15 18 45.71 -27 48 28.2 t H01
2015-05-08 05:19:04 C 15 18 40.68 -27 48 46.1 t H01
2015-05-08 05:24:48 C 15 18 38.70 -27 48 53.1 t H01
2015-05-08 05:34:15 C 15 18 35.41 -27 49 04.7 t H01
2015-05-08 07:37:21 C 15 17 51.43 -27 50 57.4 t W86
2015-05-08 07:38:37 C 15 17 51.00 -27 50 58.8 t W86
2015-05-08 07:39:53 C 15 17 50.55 -27 51 00.3 t W86
2015-05-08 07:42:33 C 15 17 49.66 -27 51 03.3 t W86
2015-05-08 07:43:48 C 15 17 49.21 -27 51 04.9 t W86
2015-05-08 07:45:04 C 15 17 48.78 -27 51 06.2 t W86