2017 HB1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2850896000
Semi-major axis (a)1.3049899000 AU
Inclination (i)3.86755000°
Long. of Asc. Node (Ω)206.49206000°
Arg. of Perihelion (ω)55.72713000°
Mean Anomaly (M)242.30727000°
Mean Motion (n)0.6611398500°/day
Perihelion dist (q)0.93295090 AU
Aphelion dist (Q)1.67702890 AU
Orbital Period1.49077030 yr
Physical Parameters
H (abs. magnitude)26.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date2026-04-13
RMS Residual0.530″
Uncertainty5
Orbit TypeApollo
MOID0.008848 AU
Observations Used87
Radar Obs Used2
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-04-25
Observations (87)
Date Type RA Dec Mag Band Observatory
2017-03-25 10:08:09 C 12 20 35.447 -15 57 10.97 L F51
2017-03-25 10:25:35 C 12 20 35.099 -15 57 08.66 L F51
2017-03-25 11:00:27 C 12 20 34.391 -15 57 03.48 L F51
2017-04-01 10:53:43 C 12 20 20.144 -15 09 01.04 L F51
2017-04-01 11:08:32 C 12 20 19.792 -15 08 53.77 L F51
2017-04-01 11:23:21 C 12 20 19.428 -15 08 46.48 L F51
2017-04-01 11:38:10 C 12 20 19.078 -15 08 38.94 L F51
2017-04-18 06:10:52 C 12 32 49.48 -01 23 23.7 q G96
2017-04-18 06:17:01 C 12 32 49.80 -01 22 38.8 q G96
2017-04-18 06:23:10 C 12 32 50.11 -01 21 53.4 q G96
2017-04-18 06:29:19 C 12 32 50.43 -01 21 08.4 q G96
2017-04-18 08:26:04 C 12 32 57.19 -01 06 36.5 q G96
2017-04-18 08:28:24 C 12 32 57.36 -01 06 19.2 q G96
2017-04-18 08:30:45 C 12 32 57.51 -01 06 01.2 q G96
2017-04-18 08:34:48 C 12 32 57.76 -01 05 31.4 q G96
2017-04-18 11:04:11 C 12 33 31.02 -00 39 30.8 t 474
2017-04-18 11:06:15 C 12 33 31.17 -00 39 14.8 t 474
2017-04-18 11:08:19 C 12 33 31.31 -00 38 58.4 t 474
2017-04-18 14:05:54 C 12 33 49.27 -00 16 19.3 t E10
2017-04-18 14:07:35 C 12 33 49.24 -00 16 06.0 t E10
2017-04-18 14:10:57 C 12 33 49.61 -00 15 41.8 t E10
2017-04-18 21:10:28 C 12 35 07.20 +00 36 01.2 U J95
2017-04-18 21:12:57 C 12 35 05.37 +00 36 48.7 q 203
2017-04-18 21:12:57 C 12 35 08.34 +00 36 57.6 U 958
2017-04-18 21:14:16 C 12 35 07.59 +00 36 34.1 U J95
2017-04-18 21:19:12 C 12 35 08.14 +00 37 18.6 U J95
2017-04-18 21:22:29 C 12 35 09.25 +00 38 22.3 U 958
2017-04-18 21:32:02 C 12 35 10.10 +00 39 47.0 U 958
2017-04-18 21:35:54 C 12 35 07.41 +00 40 12.4 q 203
2017-04-18 21:56:19 C 12 35 11.93 +00 43 18.4 q I93
2017-04-18 21:59:28 C 12 35 09.50 +00 43 41.7 q 203
2017-04-18 22:00:47 C 12 35 12.35 +00 43 58.7 q I93
2017-04-18 22:05:16 C 12 35 12.79 +00 44 38.8 q I93
2017-04-19 03:23:12 C 12 36 17.41 +01 34 47.0 q G96
2017-04-19 03:23:48 C 12 36 17.47 +01 34 52.5 q G96
2017-04-19 03:24:22 C 12 36 17.54 +01 34 58.4 q G96
2017-04-19 03:24:58 C 12 36 17.60 +01 35 03.7 q G96
2017-04-19 07:05:31 C 12 36 38.05 +02 11 20.4 q 703
2017-04-19 07:13:12 C 12 36 38.76 +02 12 37.7 q 703
2017-04-19 08:06:38 C 12 36 43.98 +02 21 41.0 q 703
2017-04-19 08:14:19 C 12 36 44.74 +02 22 59.4 q 703
2017-04-19 12:48:10 C 12 37 48.77 +03 18 38.6 q E23
2017-04-19 12:50:24 C 12 37 49.01 +03 19 03.1 q E23
2017-04-19 13:12:55 C 12 37 51.34 +03 23 12.0 q E23
2017-04-19 21:07:13 C 12 39 41.68 +04 46 43.5 U 204
2017-04-19 21:29:30 C 12 39 44.93 +04 51 18.8 U 204
2017-04-19 22:02:00 C 12 39 50.11 +04 58 12.7 q C77
2017-04-19 22:07:39 C 12 39 50.93 +04 59 23.2 q C77
2017-04-19 22:13:22 C 12 39 51.74 +05 00 34.9 q C77
2017-04-20 07:05:32 C 12 41 48.79 +06 59 59.2 q W25
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-04-21 02:30:00 94726.8125 0.1 Hz 2380 -1 -1
2017-04-21 02:42:00 16197087.76 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)