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
2020-06-22 21:30:13 C 14 42 17.62 +22 09 23.7 – q 160
2020-06-22 21:33:11 C 14 42 17.16 +22 09 25.5 – q 160
2020-06-23 07:22:25 C 14 40 47.78 +22 14 59.5 – V T05
2020-06-23 07:27:02 C 14 40 47.07 +22 15 02.3 – V T05
2020-06-23 07:37:29 C 14 40 45.45 +22 15 08.0 – V T05
2020-06-23 08:00:57 C 14 40 41.79 +22 15 20.8 – V T05
2020-06-23 21:43:25 C 14 38 36.91 +22 22 43.5 – q 160
2020-06-23 21:46:44 C 14 38 36.40 +22 22 45.3 – q 160
2020-06-23 21:49:58 C 14 38 35.90 +22 22 46.8 – q 160
2020-06-25 04:36:33 S 14 33 57.25 +22 38 42.5 – L C51
2020-06-25 07:22:04 C 14 33 32.04 +22 40 04.7 – V T08
2020-06-25 07:31:42 C 14 33 30.57 +22 40 09.4 – V T08
2020-06-25 07:45:36 S 14 33 28.75 +22 40 15.4 – L C51
2020-06-25 07:46:07 C 14 33 28.33 +22 40 16.4 – V T08
2020-06-25 07:51:26 C 14 33 27.51 +22 40 19.0 – V T08
2020-06-25 09:19:51 S 14 33 14.56 +22 41 01.4 – L C51
2020-06-25 10:53:55 S 14 33 00.39 +22 41 47.5 – L C51
2020-06-25 12:28:10 S 14 32 46.21 +22 42 33.4 – L C51
2020-06-25 15:36:29 S 14 32 17.89 +22 44 04.3 – L C51
2020-06-25 21:48:10 C 14 31 21.60 +22 46 57.4 – q 160
2020-06-25 21:51:04 C 14 31 21.15 +22 46 58.7 – q 160
2020-06-25 21:53:59 C 14 31 20.70 +22 47 00.2 – q 160
2020-06-26 21:55:50 C 14 27 44.79 +22 57 59.8 – q 160
2020-06-26 21:58:57 C 14 27 44.35 +22 58 02.5 – q 160
2020-06-26 22:02:06 C 14 27 43.85 +22 58 03.8 – q 160
2020-06-27 07:16:34 C 14 26 21.46 +23 02 11.9 – V T05
2020-06-27 07:20:49 C 14 26 20.81 +23 02 13.7 – V T05
2020-06-27 07:29:11 C 14 26 19.54 +23 02 17.2 – V T05
2020-06-27 07:46:01 C 14 26 16.98 +23 02 24.4 – V T05
2020-06-28 20:04:43 C 14 20 54.38 +23 17 11.0 – V B38
2020-06-28 20:42:21 C 14 20 48.75 +23 17 25.8 – V B38
2020-06-28 20:49:03 C 14 20 47.71 +23 17 28.0 – V 160
2020-06-28 20:51:06 C 14 20 47.41 +23 17 29.1 – V B38
2020-06-28 20:52:08 C 14 20 47.26 +23 17 29.5 – V 160
2020-06-28 20:55:16 C 14 20 46.78 +23 17 30.8 – V 160
2020-06-29 07:17:04 C 14 19 15.40 +23 21 32.3 – V T08
2020-06-29 07:21:18 C 14 19 14.74 +23 21 33.8 – V T08
2020-06-29 07:29:18 C 14 19 13.56 +23 21 36.9 – V T08
2020-06-29 07:43:40 C 14 19 11.41 +23 21 41.9 – V T08
2020-06-29 20:02:05 S 14 17 23.486 +23 26 13.06 – L C51
2020-06-29 21:25:55 C 14 17 10.87 +23 26 37.4 – q 160
2020-06-29 21:29:11 C 14 17 10.38 +23 26 38.4 – q 160
2020-06-29 21:32:27 C 14 17 09.90 +23 26 39.5 – q 160
2020-06-30 21:08:58 C 14 13 43.65 +23 34 47.2 – q 160
2020-06-30 21:11:47 C 14 13 43.23 +23 34 47.9 – q 160
2020-06-30 21:14:35 C 14 13 42.81 +23 34 48.6 – q 160
2020-07-01 06:39:05 C 14 12 21.26 +23 37 57.3 – V T05
2020-07-01 06:43:41 C 14 12 20.58 +23 37 57.9 – V T05
2020-07-01 07:03:18 C 14 12 17.72 +23 38 05.1 – V T05
2020-07-01 07:15:59 C 14 12 15.82 +23 38 09.2 – V T05