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
2020-04-29 11:07:27 C 17 01 50.99 +01 28 48.7 – V T08
2020-04-29 11:44:10 C 17 01 49.52 +01 29 18.6 – V T08
2020-04-29 11:49:29 C 17 01 49.31 +01 29 23.4 – V T08
2020-04-29 11:59:27 C 17 01 48.90 +01 29 31.4 – V T08
2020-04-29 12:02:08 C 17 01 48.79 +01 29 33.5 – V T08
2020-04-29 12:05:27 C 17 01 48.69 +01 29 35.9 – V T08
2020-04-29 12:09:27 C 17 01 48.52 +01 29 39.8 – V T08
2020-04-29 12:16:45 C 17 01 48.24 +01 29 46.0 – V T08
2020-04-29 13:06:43 C 17 01 46.265 +01 30 26.38 – U F52
2020-04-29 13:24:04 C 17 01 45.575 +01 30 40.62 – U F52
2020-04-29 13:41:22 C 17 01 44.883 +01 30 54.96 – U F52
2020-04-29 13:58:36 C 17 01 44.205 +01 31 09.03 – U F52
2020-05-02 12:45:12 C 16 58 48.994 +02 30 48.69 – U F51
2020-05-02 13:02:29 C 16 58 48.186 +02 31 03.63 – U F51
2020-05-02 13:19:43 C 16 58 47.380 +02 31 18.54 – U F51
2020-05-02 13:36:59 C 16 58 46.573 +02 31 33.42 – U F51
2020-05-03 07:13:50 C 16 57 58.63 +02 46 52.3 – V V19
2020-05-03 07:38:28 C 16 57 57.45 +02 47 13.5 – V V19
2020-05-03 08:04:45 C 16 57 56.17 +02 47 36.2 – V V19
2020-05-03 09:02:04 C 16 57 53.39 +02 48 26.6 – V 703
2020-05-03 09:09:40 C 16 57 53.05 +02 48 33.7 – V 703
2020-05-03 09:17:16 C 16 57 52.66 +02 48 40.2 – V 703
2020-05-03 09:24:52 C 16 57 52.31 +02 48 46.7 – V 703
2020-05-03 10:43:25 C 16 57 48.80 +02 49 57.1 – V T08
2020-05-03 10:48:03 C 16 57 48.61 +02 50 01.1 – V T08
2020-05-03 10:52:02 C 16 57 48.41 +02 50 04.4 – V T08
2020-05-03 10:59:27 C 16 57 48.06 +02 50 11.4 – V T08
2020-05-03 23:21:02 C 16 57 12.76 +03 01 01.9 – V 160
2020-05-03 23:24:29 C 16 57 12.59 +03 01 04.9 – V 160
2020-05-03 23:27:56 C 16 57 12.44 +03 01 08.2 – V 160
2020-05-04 09:39:48 C 16 56 42.39 +03 10 12.8 – V 703
2020-05-04 09:47:39 C 16 56 42.04 +03 10 20.1 – V 703
2020-05-04 09:55:30 C 16 56 41.58 +03 10 26.8 – V 703
2020-05-04 10:03:21 C 16 56 41.20 +03 10 34.0 – V 703
2020-05-04 23:53:36 C 16 55 59.89 +03 22 56.6 – V 160
2020-05-04 23:57:03 C 16 55 59.73 +03 22 59.6 – V 160
2020-05-05 00:00:27 C 16 55 59.56 +03 23 02.9 – V 160
2020-05-05 09:55:15 C 16 55 29.26 +03 32 02.3 – V T05
2020-05-05 09:58:33 C 16 55 29.19 +03 32 04.8 – V T05
2020-05-05 10:02:38 C 16 55 28.88 +03 32 09.3 – V T05
2020-05-05 10:12:39 C 16 55 28.32 +03 32 19.0 – V T05
2020-05-05 13:46:45 C 16 55 16.757 +03 35 32.51 – U F52
2020-05-05 14:03:51 C 16 55 15.835 +03 35 48.08 – U F52
2020-05-10 16:58:09 C 16 48 02.25 +05 31 51.0 – q D29
2020-05-10 17:16:41 C 16 48 00.93 +05 32 09.2 – q D29
2020-05-10 17:35:13 C 16 47 59.69 +05 32 28.2 – q D29
2020-05-12 05:02:38 C 16 45 35.71 +06 07 31.8 – V V19
2020-05-12 05:28:16 C 16 45 33.88 +06 07 57.6 – V V19
2020-05-12 06:12:48 C 16 45 30.72 +06 08 41.9 – V V19
2020-05-13 09:54:53 C 16 43 31.553 +06 36 36.22 – U F51