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
1996-04-06 23:54:36 C 13 19 39.13 +35 04 01.7 z 610
1996-04-06 23:59:26 C 13 19 37.03 +35 03 19.0 z 610
1996-04-07 01:52:06 C 13 18 48.30 +34 46 21.3 z 557
1996-04-07 05:50:00 C 13 17 21.31 +34 12 00.1 z 670
1996-04-07 06:00:00 C 13 17 17.12 +34 10 33.7 z 670
1996-04-07 06:09:59 C 13 17 12.92 +34 09 07.7 z 670
1996-04-07 06:22:59 C 13 17 07.44 +34 07 15.4 z 670
1996-04-07 06:38:00 C 13 17 01.13 +34 05 06.0 z 670
1996-04-07 06:53:00 C 13 16 54.82 +34 02 56.2 z 670
1996-04-07 21:44:04 C 13 11 25.48 +31 56 00.9 620
1996-04-07 21:53:34 C 13 11 21.88 +31 54 42.5 620
1996-04-07 21:58:56 C 13 11 19.84 +31 53 59.0 620
1996-04-07 22:19:25 C 13 11 12.07 +31 51 09.7 620
1996-04-07 22:53:05 C 13 10 59.40 +31 46 32.0 620
1996-04-08 00:03:54 C 13 10 31.72 +31 36 28.4 046
1996-04-08 00:04:59 C 13 10 31.32 +31 36 19.2 046
1996-04-08 00:06:14 C 13 10 30.86 +31 36 08.9 046
1996-04-08 07:27:33 C 13 08 02.91 +30 36 21.1 z 689
1996-04-08 11:35:50 C 13 06 39.75 +30 03 29.9 c 608
1996-04-08 12:23:12 C 13 06 23.12 +29 57 07.2 c 608
1996-04-09 02:57:29 13 02 05.35 +28 03 02.9 13.7 z 710
1996-04-09 03:56:30 13 01 47.20 +27 55 44.6 12.1 z 710
1996-04-09 10:45:10 C 12 59 46.44 +27 05 30.5 c 608
1996-04-09 11:41:08 C 12 59 29.21 +26 58 33.3 c 608
1996-04-09 22:30:35 C 12 56 40.34 +25 39 48.0 620
1996-04-09 22:43:45 C 12 56 36.66 +25 38 15.7 620
1996-04-10 02:59:29 12 55 35.14 +25 08 04.8 14.0 z 710
1996-04-10 04:52:30 12 55 04.90 +24 55 09.8 13.4 z 710
1996-04-10 22:24:19 C 12 50 55.88 +22 57 20.7 620
1996-04-10 22:30:35 C 12 50 54.39 +22 56 39.9 620
1996-04-12 21:29:59 C 12 41 41.85 +18 15 33.3 z 587
1996-04-12 21:32:14 C 12 41 41.41 +18 15 20.5 z 587
1996-04-12 21:34:25 C 12 41 40.99 +18 15 08.8 z 587
1996-04-12 21:50:15 C 12 41 38.51 +18 13 51.7 620
1996-04-12 22:08:10 C 12 41 35.20 +18 12 12.9 620
1996-04-14 10:51:04 C 12 35 54.60 +15 06 01.5 z 423
1996-04-14 11:08:51 C 12 35 51.82 +15 04 37.4 z 423
1996-04-14 11:15:33 C 12 35 50.78 +15 04 05.4 z 423
1996-04-14 11:31:37 C 12 35 48.21 +15 02 50.3 z 423
1996-04-14 11:46:08 C 12 35 45.96 +15 01 40.9 z 423
1996-04-14 21:47:00 C 12 34 23.27 +14 13 15.2 z 587
1996-04-14 21:51:09 C 12 34 22.66 +14 12 56.1 z 587
1996-04-15 21:01:33 C 12 31 29.17 +12 30 50.0 z 072
1996-04-15 21:06:35 C 12 31 28.52 +12 30 29.2 z 072
1996-04-15 21:14:42 C 12 31 27.15 +12 29 57.8 046
1996-04-15 21:17:15 C 12 31 26.82 +12 29 47.1 046
1996-04-15 21:20:14 C 12 31 26.43 +12 29 34.6 046
1996-04-15 21:21:27 C 12 31 26.27 +12 29 29.6 046
1996-04-15 21:33:59 12 31 25.09 +12 28 38.6 m 026
1996-04-15 22:26:48 C 12 31 18.04 +12 24 56.3 622
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)