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
2020-07-01 07:17:58 C 14 12 15.53 +23 38 09.7 – V T05
2020-07-01 07:22:37 C 14 12 14.83 +23 38 11.2 – V T05
2020-07-01 07:32:33 C 14 12 13.37 +23 38 14.2 – V T05
2020-07-01 08:03:21 C 14 12 08.84 +23 38 23.8 – V T05
2020-07-03 07:26:51 C 14 05 21.28 +23 52 15.2 – V T08
2020-07-03 07:31:30 C 14 05 20.59 +23 52 16.3 – V T08
2020-07-03 07:54:04 C 14 05 17.31 +23 52 22.1 – V T08
2020-07-04 21:01:44 C 14 00 02.85 +24 01 28.7 – q 160
2020-07-04 21:04:33 C 14 00 02.42 +24 01 29.5 – q 160
2020-07-04 21:07:22 C 14 00 02.04 +24 01 29.2 – q 160
2020-07-04 23:11:14 C 13 59 44.50 +24 01 55.3 – V 204
2020-07-04 23:16:42 C 13 59 43.73 +24 01 56.6 – V 204
2020-07-04 23:22:11 C 13 59 42.96 +24 01 57.7 – V 204
2020-07-05 07:54:38 C 13 58 31.36 +24 03 58.6 – V T05
2020-07-05 07:59:18 C 13 58 30.72 +24 03 59.2 – V T05
2020-07-05 08:08:34 C 13 58 29.38 +24 04 01.2 – V T05
2020-07-05 08:32:20 C 13 58 25.99 +24 04 06.0 – V T05
2020-07-06 21:10:43 C 13 53 21.20 +24 11 20.1 – V 160
2020-07-06 21:13:35 C 13 53 20.77 +24 11 21.0 – V 160
2020-07-06 21:16:29 C 13 53 20.38 +24 11 21.4 – V 160
2020-07-07 06:29:24 C 13 52 04.50 +24 13 06.1 – V T08
2020-07-07 06:37:25 C 13 52 03.37 +24 13 07.4 – V T08
2020-07-07 06:48:50 C 13 52 01.77 +24 13 09.2 – V T08
2020-07-07 06:53:30 C 13 52 01.11 +24 13 09.9 – V T08
2020-07-07 20:29:27 C 13 50 09.32 +24 15 21.3 – V C95
2020-07-07 20:34:56 C 13 50 08.60 +24 15 23.1 – V C95
2020-07-07 20:36:48 C 13 50 08.33 +24 15 22.9 – V C95
2020-07-07 20:48:38 C 13 50 06.65 +24 15 23.8 – V A16
2020-07-07 21:04:46 C 13 50 04.39 +24 15 26.5 – V A16
2020-07-07 21:20:56 C 13 50 02.13 +24 15 29.5 – V A16
2020-07-08 20:28:12 C 13 46 53.42 +24 18 58.7 – V B38
2020-07-08 20:32:32 C 13 46 52.89 +24 18 59.4 – V 160
2020-07-08 20:35:46 C 13 46 52.43 +24 18 59.4 – V 160
2020-07-08 20:38:16 C 13 46 52.08 +24 19 00.0 – V B38
2020-07-08 20:39:01 C 13 46 51.98 +24 19 00.1 – V 160
2020-07-08 20:48:00 C 13 46 50.74 +24 19 02.1 – V B38
2020-07-08 20:59:08 C 13 46 49.22 +24 19 03.3 – V B38
2020-07-09 06:26:21 C 13 45 32.64 +24 20 25.7 – V T05
2020-07-09 06:30:58 C 13 45 32.00 +24 20 26.4 – V T05
2020-07-09 06:39:37 C 13 45 30.80 +24 20 27.2 – V T05
2020-07-09 06:57:33 C 13 45 28.31 +24 20 29.7 – V T05
2020-07-09 20:42:49 C 13 43 37.08 +24 22 08.0 – V A16
2020-07-09 20:59:06 C 13 43 34.85 +24 22 10.4 – V A16
2020-07-09 21:15:21 C 13 43 32.63 +24 22 12.1 – V A16
2020-07-09 21:31:43 C 13 43 30.41 +24 22 13.8 – V A16
2020-07-10 20:30:09 C 13 40 25.96 +24 24 47.9 – V 160
2020-07-10 20:33:01 C 13 40 25.56 +24 24 48.2 – V 160
2020-07-10 20:35:53 C 13 40 25.14 +24 24 48.4 – V 160
2020-07-11 07:11:04 C 13 39 00.48 +24 25 55.7 – V T08
2020-07-11 07:15:46 C 13 38 59.83 +24 25 56.3 – V T08