IAA RAS IAA Minor Planet Database

136874 (1998 FH74)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8840247714 ± 6.07e-09
Semi-major axis (a)2.2024389688 AU ± 1.25e-09
Inclination (i)21.14127408° ± 2.00e-06
Long. of Asc. Node (Ω)197.53034543° ± 4.21e-06
Arg. of Perihelion (ω)193.41357117° ± 4.28e-06
Mean Anomaly (M)215.31585690° ± 1.86e-06
Mean Motion (n)0.3015479999°/day ± 2.57e-10
Perihelion dist (q)0.25542836 AU ± 1.34e-08
Aphelion dist (Q)4.14944957 AU ± 1.36e-08
Orbital Period3.26855520 yr ± 2.79e-09
Physical Parameters
H (abs. magnitude)15.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.228″
Uncertainty0
Orbit TypeApollo
MOID0.235590 AU
Observations Used1341
Gaia Obs Used24
Oppositions15
Arc Total1995-2017
First Observation Used1995-05-04
Last Observation Used2025-06-26
Observations (1477)
Date Type RA Dec Mag Band Observatory
2020-05-21 09:02:57 C 16 27 16.47 +09 57 57.8 – V 703
2020-05-21 09:04:59 C 16 27 16.23 +09 58 00.7 – V G96
2020-05-21 09:08:37 C 16 27 15.87 +09 58 04.8 – V 703
2020-05-21 09:12:32 C 16 27 15.49 +09 58 08.8 – V G96
2020-05-21 09:20:04 C 16 27 14.73 +09 58 17.0 – V G96
2020-05-21 09:27:37 C 16 27 13.99 +09 58 25.2 – V G96
2020-05-21 09:47:29 C 16 27 12.45 +09 58 48.8 – V T05
2020-05-21 09:50:52 C 16 27 12.12 +09 58 52.4 – V T05
2020-05-21 10:36:16 C 16 27 07.61 +09 59 41.7 – V T05
2020-05-21 11:17:21 C 16 27 03.50 +10 00 26.5 – V T05
2020-05-21 16:30:33 C 16 26 33.04 +10 06 04.9 – q D29
2020-05-21 16:50:55 C 16 26 31.01 +10 06 26.9 – q D29
2020-05-21 17:11:17 C 16 26 28.95 +10 06 49.2 – q D29
2020-05-21 22:45:51 C 16 25 56.31 +10 12 51.2 – V 160
2020-05-21 22:48:45 C 16 25 56.02 +10 12 54.7 – V 160
2020-05-22 23:33:55 C 16 23 27.23 +10 39 54.7 – V 160
2020-05-22 23:36:49 C 16 23 26.95 +10 39 57.9 – V 160
2020-05-22 23:39:44 C 16 23 26.64 +10 40 01.2 – V 160
2020-05-24 10:42:13 C 16 19 48.36 +11 18 27.3 – V T08
2020-05-24 11:07:36 C 16 19 45.56 +11 18 55.1 – V T08
2020-05-24 11:13:39 C 16 19 44.92 +11 19 02.2 – V T08
2020-05-24 11:21:02 C 16 19 44.13 +11 19 10.2 – V T08
2020-05-24 23:39:46 C 16 18 25.38 +11 32 37.0 – V 160
2020-05-24 23:42:41 C 16 18 25.01 +11 32 40.0 – V 160
2020-05-24 23:45:36 C 16 18 24.67 +11 32 43.4 – V 160
2020-05-25 08:35:49 C 16 17 27.23 +11 42 27.1 – V 703
2020-05-25 08:42:12 C 16 17 26.51 +11 42 34.4 – V 703
2020-05-25 08:48:36 C 16 17 25.81 +11 42 41.2 – V 703
2020-05-25 08:54:59 C 16 17 25.09 +11 42 48.5 – V 703
2020-05-25 10:47:51 C 16 17 12.97 +11 44 54.3 – V T05
2020-05-25 10:55:22 C 16 17 12.15 +11 45 02.6 – V T05
2020-05-25 10:59:59 C 16 17 11.62 +11 45 07.8 – V T05
2020-05-25 11:49:06 C 16 17 06.14 +11 46 01.6 – V T05
2020-05-25 22:36:43 C 16 15 55.41 +11 57 49.4 – V 160
2020-05-25 22:39:40 C 16 15 55.07 +11 57 52.5 – V 160
2020-05-25 22:42:35 C 16 15 54.76 +11 57 55.6 – V 160
2020-05-25 23:56:56 C 16 15 46.37 +11 59 17.4 – V A16
2020-05-26 00:13:20 C 16 15 44.52 +11 59 35.4 – V A16
2020-05-26 00:29:42 C 16 15 42.67 +11 59 53.3 – V A16
2020-05-26 00:41:42 C 16 15 41.33 +12 00 06.6 – V A16
2020-05-26 10:54:28 C 16 14 33.29 +12 11 23.0 – V T05
2020-05-26 11:30:35 C 16 14 29.13 +12 12 02.7 – V T05
2020-05-26 11:34:55 C 16 14 28.65 +12 12 07.5 – V T05
2020-05-26 11:58:13 C 16 14 25.96 +12 12 33.1 – V T05
2020-05-28 00:29:11 C 16 10 16.02 +12 52 32.5 – V 104
2020-05-28 00:38:14 C 16 10 14.94 +12 52 43.1 – V 104
2020-05-28 00:48:57 C 16 10 13.65 +12 52 54.9 – V 104
2020-05-28 12:08:35 C 16 08 54.076 +13 05 22.22 – U F51
2020-05-28 12:25:37 C 16 08 52.027 +13 05 40.77 – U F51
2020-05-28 12:42:36 C 16 08 49.994 +13 05 59.23 – U F51