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
2020-07-11 07:25:43 C 13 38 58.48 +24 25 57.1 – V T08
2020-07-11 07:41:00 C 13 38 56.41 +24 25 58.1 – V T08
2020-07-11 20:27:41 C 13 37 14.79 +24 27 01.7 – V 160
2020-07-11 20:30:38 C 13 37 14.44 +24 27 01.4 – V 160
2020-07-11 20:33:36 C 13 37 13.98 +24 27 02.3 – V 160
2020-07-12 02:23:22 C 13 36 27.67 +24 27 32.9 – q W33
2020-07-12 02:31:45 C 13 36 26.54 +24 27 33.4 – q W33
2020-07-12 02:40:12 C 13 36 25.39 +24 27 34.0 – q W33
2020-07-13 07:59:09 C 13 32 33.45 +24 29 38.1 – V T05
2020-07-13 08:03:48 C 13 32 32.86 +24 29 38.8 – V T05
2020-07-13 08:11:47 C 13 32 31.81 +24 29 38.8 – V T05
2020-07-13 08:36:53 C 13 32 28.43 +24 29 40.0 – V T05
2020-07-14 03:37:54 C 13 29 59.30 +24 30 39.2 – V 703
2020-07-14 03:44:59 C 13 29 58.28 +24 30 40.4 – V 703
2020-07-14 03:52:04 C 13 29 57.41 +24 30 39.9 – V 703
2020-07-14 03:59:09 C 13 29 56.48 +24 30 39.9 – V 703
2020-07-17 07:14:11 C 13 20 09.08 +24 32 20.5 – V T05
2020-07-17 07:18:48 C 13 20 09.12 +24 32 27.4 – V T05
2020-07-17 07:26:45 C 13 20 08.05 +24 32 27.1 – V T05
2020-07-17 20:11:30 C 13 18 29.39 +24 32 22.0 – V 160
2020-07-17 20:14:22 C 13 18 28.93 +24 32 21.2 – V 160
2020-07-17 20:17:15 C 13 18 28.59 +24 32 21.4 – V 160
2020-07-21 06:30:56 C 13 07 49.44 +24 30 24.4 – V T05
2020-07-21 06:35:34 C 13 07 48.83 +24 30 23.7 – V T05
2020-07-21 06:43:31 C 13 07 47.76 +24 30 23.1 – V T05
2020-07-21 07:00:03 C 13 07 45.61 +24 30 22.7 – V T05
2020-07-21 20:56:30 C 13 05 56.65 +24 29 37.5 – q L63
2020-07-21 21:09:06 C 13 05 54.96 +24 29 37.5 – q L63
2020-07-21 21:21:55 C 13 05 53.28 +24 29 36.0 – q L63
2020-07-22 20:19:48 C 13 02 52.81 +24 28 23.4 – V B38
2020-07-22 20:29:30 C 13 02 51.49 +24 28 22.2 – V B38
2020-07-22 20:38:53 C 13 02 50.24 +24 28 21.6 – V B38
2020-07-25 20:28:51 C 12 53 14.89 +24 23 11.7 – V B38
2020-07-25 20:36:47 C 12 53 13.80 +24 23 11.5 – V B38
2020-07-25 20:45:50 C 12 53 12.56 +24 23 10.7 – V B38
2020-07-27 06:08:35 C 12 48 37.26 +24 20 15.6 – V T08
2020-07-27 06:17:15 C 12 48 36.07 +24 20 15.4 – V T08
2020-07-27 06:22:34 C 12 48 35.31 +24 20 14.3 – V T08
2020-07-27 06:37:53 C 12 48 33.14 +24 20 12.2 – V T08
2020-07-29 06:08:38 C 12 41 48.94 +24 15 14.9 – V T05
2020-07-29 06:14:33 C 12 41 48.08 +24 15 14.1 – V T05
2020-07-29 06:23:10 C 12 41 46.79 +24 15 12.7 – V T05
2020-07-29 06:39:43 C 12 41 44.37 +24 15 10.7 – V T05
2021-02-11 10:36:39 C 13 40 25.04 -15 31 45.0 – V G96
2021-02-11 10:44:05 C 13 40 24.81 -15 31 43.4 – V G96
2021-02-11 10:51:29 C 13 40 24.62 -15 31 42.1 – V G96
2021-02-11 10:58:54 C 13 40 24.41 -15 31 40.6 – V G96
2021-02-11 14:06:07 C 13 40 19.382 -15 31 03.01 – U F51
2021-02-11 14:06:07 C 13 40 19.382 -15 31 03.02 – U F51
2021-02-11 14:21:58 C 13 40 18.932 -15 30 59.90 – U F51