2021 LH9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4490085318 ± 3.71e-08
Semi-major axis (a)2.1684813127 AU ± 7.09e-08
Inclination (i)6.33377008° ± 3.94e-06
Long. of Asc. Node (Ω)293.98543803° ± 2.11e-05
Arg. of Perihelion (ω)30.55124580° ± 2.79e-05
Mean Anomaly (M)118.86068020° ± 2.61e-05
Mean Motion (n)0.3086588618°/day ± 1.51e-08
Perihelion dist (q)1.19481470 AU ± 8.94e-08
Aphelion dist (Q)3.14214792 AU ± 1.30e-07
Orbital Period3.19325445 yr ± 1.57e-07
Physical Parameters
H (abs. magnitude)19.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.321″
Uncertainty0
Orbit TypeAmor
MOID0.188443 AU
Observations Used168
Oppositions4
Arc Total2018-2024
First Observation Used2018-11-07
Last Observation Used2024-04-20
Observations (172)
Date Type RA Dec Mag Band Observatory
2018-11-07 09:45:12 C 05 04 55.31 +33 03 01.3 V G96
2018-11-07 10:02:39 C 05 04 54.34 +33 02 59.2 V G96
2021-06-13 03:53:22 C 18 40 23.37 -33 28 41.5 V W94
2021-06-13 04:01:39 C 18 40 23.53 -33 28 38.6 V W94
2021-06-13 04:09:55 C 18 40 23.62 -33 28 35.5 V W94
2021-06-14 05:02:33 C 18 40 44.56 -33 21 59.5 V 807
2021-06-14 05:07:52 C 18 40 44.60 -33 21 58.2 V 807
2021-06-16 00:30:46 C 18 41 19.22 -33 09 17.5 X Y00
2021-06-16 00:53:23 C 18 41 19.35 -33 09 11.3 X Y00
2021-06-16 01:16:16 C 18 41 19.47 -33 09 04.7 X Y00
2021-06-17 04:23:34 C 18 41 37.53 -33 00 22.5 V W95
2021-06-17 04:31:12 C 18 41 37.59 -33 00 20.0 V W95
2021-06-17 04:38:50 C 18 41 37.61 -33 00 17.3 V W95
2021-06-17 11:35:14 C 18 41 42.32 -32 57 50.5 q E94
2021-06-17 11:54:42 C 18 41 42.42 -32 57 42.6 q E94
2021-06-17 12:05:31 C 18 41 42.52 -32 57 36.5 q E94
2021-06-17 12:38:14 C 18 41 42.62 -32 57 29.9 q E94
2021-06-17 20:48:01 C 18 41 48.85 -32 54 42.9 V L81
2021-06-17 20:56:57 C 18 41 48.92 -32 54 40.6 V L81
2021-06-19 07:37:33 C 18 42 08.33 -32 42 24.2 V I52
2021-06-19 07:53:59 C 18 42 08.37 -32 42 18.3 V I52
2021-06-19 08:07:47 C 18 42 08.39 -32 42 12.9 V I52
2021-06-19 08:21:33 C 18 42 08.45 -32 42 07.7 V I52
2021-06-27 06:05:31 C 18 43 26.35 -31 11 49.7 V I52
2021-06-27 06:13:17 C 18 43 26.34 -31 11 45.6 V I52
2021-06-27 06:21:02 C 18 43 26.33 -31 11 42.1 V I52
2021-06-28 06:31:59 C 18 43 31.78 -30 56 58.1 u 807
2021-06-28 06:34:31 C 18 43 31.76 -30 56 56.4 u 807
2021-06-28 06:36:42 C 18 43 31.75 -30 56 54.4 u 807
2021-07-03 03:15:36 C 18 44 02.64 -29 38 05.2 V W88
2021-07-03 03:30:37 C 18 44 02.50 -29 37 53.9 V W88
2021-07-03 03:53:36 C 18 44 02.45 -29 37 37.8 V W88
2021-07-15 01:00:28 C 18 46 12.40 -25 13 00.5 V W88
2021-07-15 01:11:13 C 18 46 12.43 -25 12 49.4 V W88
2021-07-15 05:20:37 C 18 46 13.66 -25 08 17.1 V 807
2021-07-15 05:23:38 C 18 46 13.66 -25 08 13.4 V 807
2021-07-15 05:26:39 C 18 46 13.68 -25 08 10.0 V 807
2021-07-27 22:12:10 C 18 53 56.39 -18 41 02.6 V L81
2021-07-27 22:19:56 C 18 53 56.63 -18 40 51.7 V L81
2021-07-27 22:27:43 C 18 53 56.83 -18 40 40.6 V L81
2021-07-28 04:51:22 C 18 54 12.37 -18 32 19.5 q H36
2021-07-28 04:59:50 C 18 54 12.62 -18 32 06.3 q H36
2021-07-30 09:53:21 C 18 56 23.88 -17 16 45.5 V T05
2021-07-30 09:58:39 C 18 56 24.05 -17 16 38.3 V T05
2021-07-30 10:06:33 C 18 56 24.33 -17 16 26.4 V T05
2021-07-30 10:23:05 C 18 56 24.87 -17 16 02.9 V T05
2021-08-02 08:59:59 C 18 59 47.72 -15 33 37.3 V T08
2021-08-02 09:07:57 C 18 59 48.05 -15 33 25.6 V T08
2021-08-02 09:54:32 C 18 59 49.92 -15 32 17.0 V T08
2021-08-03 09:55:38 C 19 01 05.64 -14 57 04.9 V T05