136900 (1998 HL49)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6367117241 ± 8.56e-09
Semi-major axis (a)1.7474083419 AU ± 7.92e-10
Inclination (i)10.97962249° ± 1.81e-06
Long. of Asc. Node (Ω)205.93934994° ± 7.13e-06
Arg. of Perihelion (ω)239.26481064° ± 7.17e-06
Mean Anomaly (M)58.90437048° ± 2.72e-06
Mean Motion (n)0.4266980608°/day ± 2.90e-10
Perihelion dist (q)0.63481296 AU ± 1.50e-08
Aphelion dist (Q)2.86000372 AU ± 1.50e-08
Orbital Period2.30989164 yr ± 1.57e-09
Physical Parameters
H (abs. magnitude)17.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.235″
Uncertainty0
Orbit TypeApollo
MOID0.084573 AU
Observations Used833
Oppositions14
Arc Total1998-2023
First Observation Used1998-04-30
Last Observation Used2023-06-07
Observations (895)
Date Type RA Dec Mag Band Observatory
2007-04-16 05:03:12 C 11 34 11.13 -03 49 22.9 o 699
2007-04-16 05:34:44 C 11 34 12.34 -03 48 48.5 o 699
2007-04-16 06:06:16 C 11 34 13.57 -03 48 14.9 o 699
2007-04-16 07:03:08 C 11 34 15.44 -03 47 12.9 r H45
2007-04-16 07:04:12 C 11 34 15.48 -03 47 11.7 r H45
2007-04-16 07:06:21 C 11 34 15.56 -03 47 09.5 r H45
2007-04-16 07:07:33 C 11 34 15.61 -03 47 08.3 r H45
2007-04-16 07:08:54 C 11 34 15.66 -03 47 06.9 r H45
2007-04-18 06:19:39 C 11 36 18.39 -02 59 46.5 17.0 c 704
2007-04-18 06:32:51 C 11 36 18.92 -02 59 34.4 17.3 c 704
2007-04-18 06:46:04 C 11 36 19.40 -02 59 21.9 17.5 c 704
2007-04-18 06:59:15 C 11 36 19.90 -02 59 09.8 17.4 c 704
2007-04-18 07:12:27 C 11 36 20.42 -02 58 57.4 17.4 c 704
2007-04-20 23:29:51 C 11 39 02.577 -02 04 23.0 r 084
2007-04-22 05:16:41 C 11 40 17.04 -01 42 16.4 r G96
2007-04-22 05:26:33 C 11 40 17.40 -01 42 09.3 r G96
2007-04-22 05:36:25 C 11 40 17.76 -01 42 02.4 r G96
2007-04-22 05:46:21 C 11 40 18.12 -01 41 55.4 r G96
2007-04-22 06:43:49 C 11 40 20.25 -01 41 15.0 17.3 c 704
2007-04-22 06:56:52 C 11 40 20.74 -01 41 05.8 17.5 c 704
2007-04-22 07:09:58 C 11 40 21.21 -01 40 56.5 17.4 c 704
2007-04-22 07:23:04 C 11 40 21.72 -01 40 47.1 17.5 c 704
2007-04-24 20:07:35 C 11 42 51.92 -01 01 50.1 c A24
2007-04-24 20:09:01 C 11 42 51.98 -01 01 49.2 c A24
2007-04-24 20:32:34 C 11 42 52.81 -01 01 35.7 c A24
2007-04-24 20:34:00 C 11 42 52.88 -01 01 33.2 c A24
2007-05-07 05:44:34 C 11 55 00.87 +00 49 02.3 r 703
2007-05-07 05:58:36 C 11 55 01.45 +00 49 05.7 r 703
2007-05-07 06:12:37 C 11 55 01.92 +00 49 08.5 r 703
2007-05-07 06:26:40 C 11 55 02.49 +00 49 10.9 r 703
2007-05-08 04:33:13 C 11 55 57.83 +00 53 26.4 o 699
2007-05-08 05:04:46 C 11 55 59.08 +00 53 32.4 o 699
2007-05-08 05:36:17 C 11 56 00.35 +00 53 37.7 o 699
2007-05-08 06:07:49 C 11 56 01.53 +00 53 44.0 o 699
2007-05-10 05:08:45 C 11 57 59.29 +01 01 19.8 r G96
2007-05-10 05:21:20 C 11 57 59.79 +01 01 21.6 r G96
2007-05-10 05:33:49 C 11 58 00.30 +01 01 23.4 r G96
2007-05-10 05:46:34 C 11 58 00.76 +01 01 25.3 r G96
2007-05-11 04:42:58 C 11 58 58.74 +01 04 28.7 18.7 c 704
2007-05-11 04:55:14 C 11 58 59.22 +01 04 31.1 18.6 c 704
2007-05-11 05:07:24 C 11 58 59.71 +01 04 31.0 18.8 c 704
2007-05-11 05:20:04 C 11 59 00.25 +01 04 33.3 18.3 c 704
2007-05-13 05:00:05 C 12 01 01.13 +01 09 37.2 19.1 c 704
2007-05-13 05:13:14 C 12 01 01.63 +01 09 37.6 19.5 c 704
2007-05-13 05:26:31 C 12 01 02.18 +01 09 39.3 19.4 c 704
2007-05-13 05:39:49 C 12 01 02.71 +01 09 40.5 19.5 c 704
2007-05-13 05:53:01 C 12 01 03.25 +01 09 42.2 19.7 c 704
2007-05-22 04:06:55 C 12 10 22.51 +01 14 33.9 r 703
2007-05-22 04:10:56 C 12 10 22.72 +01 14 34.0 r G96
2007-05-22 04:13:18 C 12 10 22.80 +01 14 32.0 r 703