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
2017-04-20 07:20:23 C 12 41 51.62 +07 03 30.5 q W25
2017-04-20 20:36:32 C 12 46 19.95 +10 36 09.1 q 160
2017-04-20 20:39:40 C 12 46 20.70 +10 37 05.2 q 160
2017-04-20 20:41:13 C 12 46 21.08 +10 37 33.4 q 160
2017-04-20 20:42:46 C 12 46 21.45 +10 38 01.8 q 160
2017-04-20 20:45:54 C 12 46 22.19 +10 38 58.1 q 160
2017-04-21 22:10:59 C 12 57 41.85 +20 12 01.0 q 470
2017-04-21 22:11:44 C 12 57 42.20 +20 12 23.2 q 470
2017-04-22 05:39:06 C 13 02 44.43 +23 58 14.3 u 926
2017-04-22 05:41:33 C 13 02 45.74 +23 59 33.2 u 926
2017-04-22 05:43:59 C 13 02 47.06 +24 00 52.2 u 926
2017-04-22 22:17:28 C 13 18 10.62 +34 15 26.9 U J95
2017-04-22 22:20:25 C 13 18 13.64 +34 17 34.3 U J95
2017-04-22 22:23:21 C 13 18 16.66 +34 19 41.4 U J95
2017-04-23 04:43:23 C 13 27 05.52 +39 08 58.7 u 926
2017-04-23 04:45:59 C 13 27 08.84 +39 11 04.4 u 926
2017-04-23 04:48:35 C 13 27 12.16 +39 13 09.8 u 926
2017-04-23 04:51:10 C 13 27 15.49 +39 15 15.3 u 926
2017-04-23 04:53:48 C 13 27 18.82 +39 17 21.2 u 926
2017-04-23 04:56:25 C 13 27 22.16 +39 19 27.0 u 926
2017-04-23 07:46:06 C 13 30 44.46 +41 33 01.3 q W25
2017-04-23 07:52:37 C 13 30 54.07 +41 38 12.9 q W25
2017-04-24 04:28:19 C 14 30 18.73 +59 53 21.6 u 926
2017-04-24 04:30:56 C 14 30 29.83 +59 55 47.1 u 926
2017-04-24 04:33:33 C 14 30 40.95 +59 58 12.5 u 926
2017-04-24 05:04:56 C 14 32 56.34 +60 27 16.5 u 926
2017-04-24 05:07:32 C 14 33 07.85 +60 29 40.7 u 926
2017-04-24 05:10:08 C 14 33 19.16 +60 32 03.5 u 926
2017-04-24 10:22:50 C 14 59 35.60 +65 02 23.2 o 926
2017-04-24 10:25:56 C 14 59 53.91 +65 04 51.0 o 926
2017-04-24 10:27:52 C 15 00 05.45 +65 06 24.3 o 926
2017-04-24 10:29:25 C 15 00 14.61 +65 07 37.5 o 926
2017-04-24 10:30:56 C 15 00 23.76 +65 08 50.3 o 926
2017-04-25 02:39:38 C 17 48 09.94 +74 09 35.4 U J95
2017-04-25 02:44:56 C 17 49 20.46 +74 10 36.3 U J95
2017-04-25 02:50:45 C 17 50 38.05 +74 11 41.4 U J95
2017-04-25 02:56:20 C 17 51 52.41 +74 12 41.6 U J95
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)