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
2020-05-13 10:11:16 C 16 43 30.317 +06 36 52.85 – U F51
2020-05-13 10:43:53 C 16 43 27.854 +06 37 25.92 – U F51
2020-05-13 10:56:18 C 16 43 26.91 +06 37 38.4 – V T05
2020-05-13 11:00:55 C 16 43 26.58 +06 37 43.2 – V T05
2020-05-13 11:04:53 C 16 43 26.27 +06 37 47.1 – V T05
2020-05-13 11:12:47 C 16 43 25.67 +06 37 55.3 – V T05
2020-05-14 07:04:47 C 16 41 56.67 +06 58 07.6 – q H45
2020-05-14 07:09:19 C 16 41 56.38 +06 58 12.8 – q H45
2020-05-14 07:10:58 C 16 41 56.21 +06 58 14.2 – q H45
2020-05-14 07:12:38 C 16 41 56.10 +06 58 15.5 – q H45
2020-05-14 07:17:24 C 16 41 55.66 +06 58 20.9 – q H45
2020-05-14 07:21:15 C 16 41 55.30 +06 58 24.7 – q H45
2020-05-14 09:43:32 C 16 41 44.37 +07 00 49.9 – V 703
2020-05-14 09:58:39 C 16 41 43.18 +07 01 06.7 – V 703
2020-05-14 10:06:14 C 16 41 42.60 +07 01 13.1 – V 703
2020-05-14 10:35:09 C 16 41 40.75 +07 01 45.2 – V T05
2020-05-14 10:37:48 C 16 41 40.54 +07 01 47.9 – V T05
2020-05-14 10:51:16 C 16 41 39.49 +07 02 01.9 – V T05
2020-05-14 11:01:50 C 16 41 38.64 +07 02 12.8 – V T05
2020-05-15 12:50:29 C 16 39 37.75 +07 28 50.2 – V T08
2020-05-15 12:55:11 C 16 39 37.36 +07 28 55.1 – V T08
2020-05-15 13:10:39 C 16 39 36.09 +07 29 11.0 – V T08
2020-05-15 13:31:19 C 16 39 34.41 +07 29 32.7 – V T08
2020-05-17 08:56:11 C 16 36 00.48 +08 14 57.4 – V 703
2020-05-17 09:03:42 C 16 35 59.79 +08 15 05.5 – V 703
2020-05-17 09:11:14 C 16 35 59.12 +08 15 13.1 – V 703
2020-05-17 09:18:45 C 16 35 58.43 +08 15 21.2 – V 703
2020-05-17 12:35:46 C 16 35 41.68 +08 18 51.3 – V T05
2020-05-17 12:40:27 C 16 35 41.26 +08 18 56.1 – V T05
2020-05-17 12:57:53 C 16 35 39.74 +08 19 14.4 – V T05
2020-05-18 11:30:54 C 16 33 42.50 +08 43 10.6 – V T05
2020-05-18 11:35:33 C 16 33 42.10 +08 43 15.6 – V T05
2020-05-18 12:04:12 C 16 33 39.50 +08 43 45.8 – V T05
2020-05-18 12:24:30 C 16 33 37.66 +08 44 07.7 – V T05
2020-05-19 11:43:30 C 16 31 32.18 +09 09 04.1 – V T08
2020-05-19 11:49:30 C 16 31 31.61 +09 09 10.7 – V T08
2020-05-19 12:07:12 C 16 31 29.978 +09 09 29.45 – U F51
2020-05-19 12:24:17 C 16 31 28.376 +09 09 47.78 – U F51
2020-05-19 12:40:06 C 16 31 26.89 +09 10 04.8 – V T08
2020-05-19 12:41:13 C 16 31 26.792 +09 10 05.93 – U F51
2020-05-19 12:48:16 C 16 31 26.12 +09 10 13.7 – V T08
2020-05-19 12:58:11 C 16 31 25.203 +09 10 24.14 – U F51
2020-05-21 00:35:29 C 16 28 05.35 +09 48 47.0 – V A16
2020-05-21 00:51:52 C 16 28 03.81 +09 49 04.6 – V A16
2020-05-21 01:08:15 C 16 28 02.16 +09 49 22.3 – V A16
2020-05-21 01:24:49 C 16 28 00.59 +09 49 40.2 – V A16
2020-05-21 06:10:09 C 16 27 33.60 +09 54 50.6 – V U71
2020-05-21 06:15:32 C 16 27 33.08 +09 54 55.7 – V U71
2020-05-21 08:51:35 C 16 27 17.56 +09 57 46.0 – V 703
2020-05-21 08:57:16 C 16 27 16.98 +09 57 52.3 – V 703