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
2019-05-03 06:54:51 C 13 35 20.16 -09 54 11.3 V G96
2019-05-03 07:02:15 C 13 35 20.61 -09 54 11.1 V G96
2019-05-03 07:09:39 C 13 35 21.04 -09 54 10.5 V G96
2019-05-03 07:17:01 C 13 35 21.47 -09 54 09.7 V G96
2019-05-04 08:27:10 C 13 37 07.252 -09 52 27.75 U F51
2019-05-04 08:44:23 C 13 37 08.206 -09 52 26.89 U F51
2019-05-04 09:01:35 C 13 37 09.134 -09 52 26.05 U F51
2019-05-04 09:18:47 C 13 37 10.076 -09 52 25.13 U F51
2019-05-10 08:22:29 C 13 45 12.274 -09 49 39.45 U F51
2019-05-10 08:39:16 C 13 45 12.944 -09 49 39.61 U F51
2019-05-10 09:12:53 C 13 45 14.244 -09 49 40.05 U F51
2024-05-09 03:43:21 C 11 19 22.02 +04 01 25.7 V 691
2024-05-09 04:03:19 C 11 19 27.77 +04 00 56.2 V 691
2024-05-09 04:23:17 C 11 19 33.54 +04 00 26.2 V 691
2024-05-10 07:39:16 C 11 27 23.47 +03 20 26.3 V 291
2024-05-10 07:59:45 C 11 27 29.13 +03 19 57.4 V 291
2014-04-23 06:12:51 C 14 28 43.50 -11 19 58.0 22.2 W84
2014-04-23 06:17:26 C 14 28 43.29 -11 19 57.9 W84
2014-04-23 06:22:01 C 14 28 43.09 -11 19 57.8 W84
2014-04-23 06:26:50 C 14 28 42.88 -11 19 57.6 W84
2014-04-23 06:31:26 C 14 28 42.68 -11 19 57.5 W84
2014-04-24 06:44:15 C 14 27 40.53 -11 19 20.1 22.0 W84
2014-04-24 06:48:50 C 14 27 40.33 -11 19 19.9 W84
2014-04-24 06:53:22 C 14 27 40.13 -11 19 19.8 W84
2014-04-24 06:57:59 C 14 27 39.93 -11 19 19.7 W84
2014-04-24 07:02:33 C 14 27 39.73 -11 19 19.6 W84
2014-04-25 07:08:19 C 14 26 37.32 -11 18 42.3 22.0 W84
2014-04-25 07:12:53 C 14 26 37.12 -11 18 42.3 W84
2014-04-25 07:17:26 C 14 26 36.91 -11 18 42.1 W84
2014-04-25 07:22:00 C 14 26 36.72 -11 18 42.0 W84
2014-04-25 07:26:39 C 14 26 36.51 -11 18 41.8 W84
2014-04-26 05:10:14 C 14 25 40.02 -11 18 08.8 22.0 W84
2014-04-26 05:14:45 C 14 25 39.81 -11 18 08.7 W84
2014-04-26 05:19:15 C 14 25 39.61 -11 18 08.4 W84
2014-04-26 05:23:48 C 14 25 39.41 -11 18 08.4 W84
2014-04-26 05:28:20 C 14 25 39.20 -11 18 08.3 W84
2019-09-29 11:06:25 C 01 57 09.614 +03 24 17.44 U F51
2019-09-29 11:40:31 C 01 57 08.311 +03 24 15.65 U F51
2019-09-29 11:57:37 C 01 57 07.666 +03 24 14.43 U F51
2019-10-29 08:21:20 C 01 27 07.518 +02 56 06.56 U F51
2019-10-29 08:38:33 C 01 27 06.806 +02 56 06.58 U F51
2019-10-29 08:55:48 C 01 27 06.098 +02 56 06.64 U F51
2019-10-29 09:13:00 C 01 27 05.395 +02 56 06.83 U F51
2019-11-28 05:32:08 C 01 09 05.51 +04 01 25.3 1 T09
2019-11-28 07:20:26 C 01 09 04.49 +04 01 44.5 1 T09
2019-11-28 09:28:12 C 01 09 03.31 +04 02 06.5 1 T09
2019-11-28 10:50:56 C 01 09 02.59 +04 02 20.8 1 T09
2023-10-14 06:22:47 C 00 36 50.411 -06 57 59.29 V V00
2023-10-14 06:30:43 C 00 36 50.072 -06 57 59.08 V V00
2023-10-14 06:38:38 C 00 36 49.752 -06 57 58.93 V V00