2063 Bacchus (1977 HB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3494289066 ± 2.00e+00
Semi-major axis (a)1.0779986113 AU ± 3.00e+00
Inclination (i)9.43469494° ± 4.00e+00
Long. of Asc. Node (Ω)33.03636030° ± 5.00e+00
Arg. of Perihelion (ω)55.35066867° ± 6.00e+00
Mean Anomaly (M)234.78705685° ± 2.00e-05
Mean Motion (n)0.8806127601°/day ± 3.68e+00
Perihelion dist (q)0.70131474 AU ± 2.91e+00
Aphelion dist (Q)1.45468249 AU ± 4.59e+00
Orbital Period1.11925051 yr ± 4.67e+00
NGA Modelr2
A2-3.62707582e-06 AU/d²
Physical Parameters
H (abs. magnitude)17.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.501″
Uncertainty0
Orbit TypeApollo
MOID0.067153 AU
Observations Used1463
Radar Obs Used7
Gaia Obs Used54
Oppositions4
Arc Total1977-2025
First Observation Used1977-04-24
Last Observation Used2025-06-15
Observations (1537)
Date Type RA Dec Mag Band Observatory
1996-04-15 22:37:35 C 12 31 16.64 +12 24 06.2 z 072
1996-04-15 22:46:19 C 12 31 15.53 +12 23 29.6 z 072
1996-04-15 22:52:12 C 12 31 14.67 +12 23 08.7 622
1996-04-15 23:04:24 C 12 31 13.08 +12 22 17.4 622
1996-04-15 23:15:45 C 12 31 11.59 +12 21 29.8 622
1996-04-16 20:06:44 C 12 28 55.81 +10 57 20.3 z 587
1996-04-16 20:08:39 C 12 28 55.58 +10 57 12.7 z 587
1996-04-18 11:55:44 C 12 25 08.01 +08 33 56.5 z 423
1996-04-18 12:01:20 C 12 25 07.44 +08 33 39.0 z 423
1996-04-18 12:13:44 C 12 25 06.20 +08 32 55.4 z 423
1996-04-18 12:20:18 C 12 25 05.51 +08 32 33.1 z 423
1996-04-18 12:25:50 C 12 25 04.94 +08 32 15.7 z 423
1996-04-18 12:32:03 C 12 25 04.31 +08 31 54.7 z 423
1996-04-18 22:05:37 C 12 24 16.15 +07 58 35.5 046
1996-04-18 22:07:24 C 12 24 15.99 +07 58 29.6 046
1996-04-18 22:08:45 C 12 24 15.86 +07 58 25.2 046
1996-04-19 03:55:17 C 12 23 48.04 +07 39 45.0 z 801
1996-04-19 03:58:00 C 12 23 47.79 +07 39 36.3 z 801
1996-04-20 11:02:30 C 12 21 30.19 +06 04 48.7 c 566
1996-04-20 11:29:11 C 12 21 28.07 +06 03 30.5 c 566
1996-04-20 11:54:37 C 12 21 26.05 +06 02 16.3 c 566
1996-04-20 11:56:15 C 12 21 29.03 +06 03 05.7 z 423
1996-04-20 12:02:34 C 12 21 28.49 +06 02 48.6 z 423
1996-04-20 12:09:33 C 12 21 27.97 +06 02 27.3 z 423
1996-04-20 12:16:01 C 12 21 27.44 +06 02 09.4 z 423
1996-04-20 12:26:01 C 12 21 26.60 +06 01 39.3 z 423
1996-04-20 19:23:19 C 12 21 00.80 +05 40 26.9 z 117
1996-04-20 19:36:36 C 12 20 59.77 +05 39 49.2 z 117
1996-04-20 20:00:29 C 12 20 58.01 +05 38 43.5 z 117
1996-04-20 20:24:06 C 12 20 56.25 +05 37 35.8 z 117
1996-04-20 20:50:58 C 12 20 54.11 +05 36 22.8 z 117
1996-04-20 21:08:29 C 12 20 52.88 +05 35 31.8 z 117
1996-04-20 21:24:20 C 12 20 51.51 +05 34 40.4 z 117
1996-04-20 21:26:29 12 20 51.66 +05 34 39.4 m 026
1996-04-20 21:33:59 12 20 51.17 +05 34 19.2 m 026
1996-04-20 21:41:30 12 20 50.60 +05 33 57.8 m 026
1996-04-20 21:47:03 C 12 20 49.99 +05 33 42.2 z 117
1996-04-20 22:34:56 C 12 20 45.46 +05 31 25.6 z 121
1996-04-20 23:04:56 C 12 20 43.30 +05 30 00.5 z 121
1996-04-20 23:43:55 C 12 20 40.62 +05 28 10.8 z 121
1996-04-21 18:58:44 C 12 19 35.16 +04 35 59.3 z 117
1996-04-21 19:08:15 C 12 19 34.59 +04 35 33.8 z 117
1996-04-21 19:55:46 C 12 19 31.37 +04 33 29.4 z 117
1996-04-21 19:58:47 C 12 19 31.19 +04 33 21.6 z 117
1996-04-21 20:24:41 C 12 19 29.44 +04 32 13.4 z 117
1996-04-21 20:44:13 C 12 19 28.09 +04 31 17.4 z 117
1996-04-21 20:45:17 C 12 19 26.99 +04 31 18.8 z 121
1996-04-21 21:03:18 C 12 19 26.91 +04 30 34.1 z 117
1996-04-21 21:09:18 C 12 19 25.40 +04 30 15.9 z 121
1996-04-21 21:20:04 C 12 19 25.74 +04 29 48.7 z 117
Radar Observations (19)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1996-03-22 18:00:00 384093.223 2.3 Hz 8510 -14 -14
1996-03-22 20:10:00 87190665 15 us 8510 -14 -14
1996-03-22 22:50:00 86769151 2 us 8510 -14 -14
1996-03-22 22:50:00 371573.7 2 Hz 8510 -14 -14
1996-03-22.750000 38409322 200 Hz 8510 253 253
1996-03-22.840278 8719066500 15000 us 8510 253 253
1996-03-22.951389 8676915100 2000 us 8510 253 253
1996-03-24 17:50:00 324347 2 Hz 8510 -14 -14
1996-03-24 22:10:00 79673366 1 us 8510 -14 -14
1996-03-24 23:00:00 79562896 10 us 8510 -14 -14
1996-03-24.743056 32434700 200 Hz 8510 253 253
1996-03-24.923611 7967336600 1000 us 8510 253 253
1996-03-24.958333 7956289600 10000 us 8510 253 253
1996-03-29 19:30:00 96363 2 Hz 8510 -14 -14
1996-03-29.812500 9636300 200 Hz 8510 253 253
2012-09-13 11:31:00 -76858.4372 0.3 Hz 2380 -1 -1
2012-09-13 12:27:00 248520536.79 4 us 2380 -1 -1
2012-09-14 12:21:00 251520636.56 4 us 2380 -1 -1
2015-04-18 23:59:00 217913625.88 4 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)