2014 HD177

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5718234079 ± 1.35e-07
Semi-major axis (a)1.8487181151 AU ± 3.39e-09
Inclination (i)2.17664666° ± 5.35e-06
Long. of Asc. Node (Ω)219.20788255° ± 4.10e-05
Arg. of Perihelion (ω)274.97695343° ± 5.44e-05
Mean Anomaly (M)244.60547067° ± 3.08e-06
Mean Motion (n)0.3921010700°/day ± 1.08e-09
Perihelion dist (q)0.79157820 AU ± 2.49e-07
Aphelion dist (Q)2.90585800 AU ± 2.49e-07
Orbital Period2.51365710 yr ± 6.91e-09
Physical Parameters
H (abs. magnitude)22.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.288″
Uncertainty0
Orbit TypeApollo
MOID0.013010 AU
Observations Used159
Oppositions3
Arc Total2014-2024
First Observation Used
Last Observation Used2024-05-10
Observations (201)
Date Type RA Dec Mag Band Observatory
2014-04-30 10:51:18 C 15 21 09.000 -17 54 54.95 L F51
2014-04-30 11:08:26 C 15 21 06.804 -17 54 41.25 L F51
2014-04-30 11:25:32 C 15 21 04.608 -17 54 27.28 L F51
2014-04-30 11:42:38 C 15 21 02.424 -17 54 13.51 L F51
2014-05-01 14:18:06 C 15 18 01.44 -17 33 26.5 20.7 t 568
2014-05-01 14:19:54 C 15 18 01.24 -17 33 25.1 20.5 t 568
2014-05-01 14:21:44 C 15 18 01.03 -17 33 23.8 20.4 t 568
2014-05-01 23:19:49 C 15 17 06.592 -17 26 48.15 t J04
2014-05-01 23:22:39 C 15 17 06.270 -17 26 46.05 t J04
2014-05-01 23:25:29 C 15 17 05.937 -17 26 43.92 t J04
2014-05-02 12:56:31 C 15 15 40.11 -17 16 12.3 o 474
2014-05-02 13:01:35 C 15 15 39.55 -17 16 08.8 o 474
2014-05-02 13:06:39 C 15 15 38.97 -17 16 05.2 o 474
2014-05-05 05:23:15 C 15 09 33.88 -16 33 37.4 u 807
2014-05-05 05:31:13 C 15 09 33.14 -16 33 32.3 u 807
2014-05-05 05:39:10 C 15 09 32.36 -16 33 27.3 u 807
2014-05-08 10:00:26 C 15 03 30.715 -15 51 12.17 V F51
2014-05-08 10:18:02 C 15 03 29.293 -15 51 03.17 V F51
2014-05-08 10:35:39 C 15 03 27.912 -15 50 54.58 V F51
2014-05-08 10:53:13 C 15 03 26.484 -15 50 45.30 V F51
2014-05-10 09:57:22 C 15 00 17.174 -15 28 13.44 V F51
2014-05-10 10:14:43 C 15 00 15.957 -15 28 05.97 V F51
2014-05-10 10:49:13 C 15 00 13.486 -15 27 50.44 V F51
2014-05-21 08:48:09 C 14 48 38.285 -14 04 08.24 V F51
2014-05-21 09:07:34 C 14 48 37.622 -14 04 04.01 V F51
2014-05-27 08:11:17 C 14 45 36.467 -13 41 16.20 V F51
2014-05-27 08:27:14 C 14 45 36.186 -13 41 14.21 V F51
2014-05-27 08:43:14 C 14 45 35.870 -13 41 12.50 V F51
2014-05-27 08:59:13 C 14 45 35.483 -13 41 10.65 V F51
2019-04-12 09:06:16 C 09 01 58.16 -10 03 59.2 m Q66
2019-04-12 09:08:16 C 09 02 03.46 -10 04 08.5 m Q66
2019-04-12 11:56:24 C 09 09 26.80 -10 16 16.0 m Q66
2019-04-12 11:58:24 C 09 09 32.10 -10 16 23.7 m Q66
2019-04-12 12:58:26 C 09 12 13.41 -10 25 56.8 r P93
2019-04-12 13:02:05 C 09 12 22.91 -10 26 11.5 r P93
2019-04-12 13:04:09 C 09 12 24.17 -10 20 49.9 V Q62
2019-04-12 13:05:44 C 09 12 32.39 -10 26 26.0 r P93
2019-04-12 13:06:04 C 09 12 29.23 -10 20 57.5 V Q62
2019-04-12 13:07:34 C 09 12 37.20 -10 26 33.4 r P93
2019-04-12 13:08:08 C 09 12 34.65 -10 21 05.6 V Q62
2019-04-12 23:41:47 C 09 39 55.76 -10 58 21.5 u 807
2019-04-12 23:43:11 C 09 39 59.15 -10 58 25.7 u 807
2019-04-12 23:44:34 C 09 40 02.40 -10 58 29.8 u 807
2019-04-12 23:45:40 C 09 40 05.03 -10 58 33.1 u 807
2019-04-13 00:47:44 C 09 42 31.85 -11 01 33.0 W76
2019-04-13 00:57:06 C 09 42 53.86 -11 01 59.6 W76
2019-04-13 01:12:22 C 09 43 27.91 -11 02 37.9 V I19
2019-04-13 01:14:41 C 09 43 33.38 -11 02 44.2 V I19
2019-04-13 01:17:13 C 09 43 39.29 -11 02 51.5 V I19
2019-04-13 03:25:04 C 09 48 43.23 -11 13 50.2 u H21