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
2020-07-27 23:34:45 C 22 09 04.03 +12 50 42.6 V 160
2020-07-27 23:39:48 C 22 09 03.87 +12 50 44.7 V 160
2020-07-28 23:48:03 C 22 08 15.96 +13 01 19.4 V 160
2020-07-28 23:52:57 C 22 08 15.71 +13 01 21.8 V 160
2020-07-28 23:57:53 C 22 08 15.56 +13 01 23.7 V 160
2020-07-29 07:46:42 C 22 07 59.34 +13 04 49.3 V G96
2020-07-29 07:54:07 C 22 07 59.05 +13 04 52.2 V G96
2020-07-29 08:01:33 C 22 07 58.79 +13 04 55.7 V G96
2020-07-29 08:08:57 C 22 07 58.55 +13 04 58.9 V G96
2020-07-29 12:29:29 C 22 07 49.09 +13 06 53.7 V T05
2020-07-29 12:34:45 C 22 07 48.86 +13 06 56.3 V T05
2020-07-29 12:43:05 C 22 07 48.52 +13 06 59.7 V T05
2020-07-29 13:26:47 C 22 07 46.85 +13 07 18.6 V T05
2020-07-29 23:39:55 C 22 07 25.16 +13 11 37.0 V 160
2020-07-29 23:42:51 C 22 07 25.04 +13 11 38.4 V 160
2020-07-29 23:46:11 C 22 07 24.93 +13 11 40.3 V 160
2020-07-30 09:20:52 C 22 07 03.88 +13 15 49.7 V T08
2020-07-30 09:25:30 C 22 07 03.72 +13 15 51.6 V T08
2020-07-30 09:51:28 C 22 07 02.65 +13 16 03.2 V T08
2020-07-30 09:56:53 C 22 07 02.42 +13 16 05.2 V T08
2020-07-31 00:43:50 C 22 06 28.00 +13 22 16.1 V 160
2020-07-31 00:46:10 C 22 06 27.91 +13 22 17.0 V 160
2020-07-31 00:48:31 C 22 06 27.81 +13 22 17.9 V 160
2020-08-01 08:09:25 C 22 05 11.25 +13 35 22.2 V 703
2020-08-01 08:15:52 C 22 05 10.89 +13 35 26.2 V 703
2020-08-01 08:22:19 C 22 05 10.59 +13 35 27.8 V 703
2020-08-01 08:28:46 C 22 05 10.32 +13 35 30.4 V 703
2020-08-02 00:00:12 C 22 04 29.90 +13 41 50.7 V 160
2020-08-02 00:03:34 C 22 04 29.81 +13 41 50.0 V 160
2020-08-02 00:06:54 C 22 04 29.68 +13 41 50.4 V 160
2020-08-05 05:47:29 C 22 00 43.90 +14 12 09.6 V V93
2020-08-05 06:32:09 C 22 00 41.40 +14 12 26.4 V V93
2020-08-05 07:21:31 C 22 00 38.71 +14 12 45.0 V V93
2020-08-06 21:17:15 C 21 58 33.10 +14 26 32.5 V A17
2020-08-06 21:33:10 C 21 58 32.14 +14 26 38.3 V A17
2020-08-06 21:49:06 C 21 58 31.19 +14 26 44.1 V A17
2020-08-06 23:37:57 C 21 58 24.72 +14 27 22.9 V Z80
2020-08-06 23:44:36 C 21 58 24.31 +14 27 24.6 V Z80
2020-08-06 23:51:17 C 21 58 23.89 +14 27 27.0 V Z80
2020-08-08 09:26:09 C 21 56 23.19 +14 39 10.0 V T08
2020-08-08 09:28:49 C 21 56 23.03 +14 39 10.8 V T08
2020-08-08 09:48:47 C 21 56 21.66 +14 39 18.2 V T08
2020-08-08 09:50:07 C 21 56 21.59 +14 39 17.9 V T08
2020-08-08 09:52:58 C 21 56 21.38 +14 39 19.5 V T08
2020-08-08 10:19:06 C 21 56 19.66 +14 39 28.0 V T08
2020-08-08 10:23:09 C 21 56 19.41 +14 39 29.6 V T08
2020-08-09 13:26:28 C 21 54 34.770 +14 48 21.82 U F51
2020-08-09 13:42:22 C 21 54 33.672 +14 48 26.77 U F51
2020-08-09 13:58:18 C 21 54 32.576 +14 48 31.71 U F51
2020-08-09 14:14:15 C 21 54 31.474 +14 48 36.66 U F51