69230 Hermes (1937 UB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6239175999 ± 2.00e+00
Semi-major axis (a)1.6550671635 AU ± 3.00e+00
Inclination (i)6.06733172° ± 4.00e+00
Long. of Asc. Node (Ω)34.04621202° ± 5.00e+00
Arg. of Perihelion (ω)92.91320308° ± 6.00e+00
Mean Anomaly (M)104.55554509° ± 5.97e-06
Mean Motion (n)0.4629017713°/day ± 1.26e+00
Perihelion dist (q)0.62244163 AU ± 3.50e+00
Aphelion dist (Q)2.68769270 AU ± 5.89e+00
Orbital Period2.12923420 yr ± 5.79e+00
NGA Modelr2
A22.15662232e-06 AU/d²
Physical Parameters
H (abs. magnitude)17.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.557″
Uncertainty0
Orbit TypeApollo
MOID0.004682 AU
Observations Used2722
Oppositions47
Arc Total1937-2025
First Observation Used2000-09-16
Last Observation Used2025-06-30
Observations (4098)
Date Type RA Dec Mag Band Observatory
2020-09-28 10:34:11 s 1 +21128.199 0 +387274.31 4240.0 C57
2020-09-28 10:44:11 S 00 38 34.747 -05 12 33.08 V C57
2020-09-28 10:44:11 s 1 +20750.520 0 +387409.00 6910.0 C57
2020-09-28 10:54:11 S 00 38 33.698 -05 12 35.82 V C57
2020-09-28 10:54:11 s 1 +20372.783 0 +387542.74 9540.0 C57
2020-09-28 11:04:11 S 00 38 32.777 -05 12 42.41 V C57
2020-09-28 11:04:11 s 1 +19994.992 0 +387675.53 2150.0 C57
2020-09-28 11:14:11 S 00 38 31.829 -05 12 47.66 V C57
2020-09-28 11:14:11 s 1 +19617.146 0 +387807.36 4720.0 C57
2020-09-28 11:24:11 S 00 38 30.941 -05 12 55.22 V C57
2020-09-28 11:24:11 s 1 +19239.246 0 +387938.23 7260.0 C57
2020-09-28 11:34:11 S 00 38 29.717 -05 12 59.47 V C57
2020-09-28 11:34:11 s 1 +18861.294 0 +388068.15 9770.0 C57
2020-09-28 11:44:11 S 00 38 28.855 -05 13 05.77 V C57
2020-09-28 11:44:11 s 1 +18483.290 0 +388197.12 2240.0 C57
2020-09-28 11:54:11 S 00 38 27.454 -05 13 12.83 V C57
2020-09-28 11:54:11 s 1 +18105.236 0 +388325.14 4680.0 C57
2020-09-28 12:04:11 S 00 38 26.743 -05 13 15.74 V C57
2020-09-28 12:04:11 s 1 +17727.132 0 +388452.20 7080.0 C57
2020-09-28 12:14:11 S 00 38 25.546 -05 13 25.03 V C57
2020-09-28 12:14:11 s 1 +17348.979 0 +388578.31 9450.0 C57
2020-09-28 12:24:11 S 00 38 24.550 -05 13 30.18 V C57
2020-09-28 12:24:11 s 1 +16970.779 0 +388703.48 1780.0 C57
2020-09-28 12:34:11 S 00 38 23.333 -05 13 35.36 V C57
2020-09-28 12:34:11 s 1 +16592.531 0 +388827.69 4070.0 C57
2020-09-28 12:44:11 S 00 38 22.404 -05 13 40.33 V C57
2020-09-28 12:44:11 s 1 +16214.235 0 +388950.94 6330.0 C57
2020-09-28 12:54:11 S 00 38 21.838 -05 13 48.94 V C57
2020-09-28 12:54:11 s 1 +15836.653 0 +389073.73 7990.0 C57
2020-09-28 13:04:11 S 00 38 20.465 -05 13 51.10 V C57
2020-09-28 13:04:11 s 1 +15489.025 0 +389214.47 7620.0 C57
2020-09-28 13:14:11 S 00 38 19.344 -05 13 58.98 V C57
2020-09-28 13:14:11 s 1 +15109.238 0 +389334.07 760.0 C57
2020-09-28 13:24:11 S 00 38 18.379 -05 14 08.02 V C57
2020-09-28 13:24:11 s 1 +14730.788 0 +389453.60 2850.0 C57
2020-09-28 13:34:11 S 00 38 17.249 -05 14 11.51 V C57
2020-09-28 13:34:11 s 1 +14352.306 0 +389572.18 4900.0 C57
2020-09-28 13:44:11 S 00 38 16.435 -05 14 16.98 V C57
2020-09-28 13:44:11 s 1 +13973.784 0 +389689.82 6900.0 C57
2020-09-28 13:54:11 S 00 38 15.379 -05 14 23.96 V C57
2020-09-28 13:54:11 s 1 +13595.222 0 +389806.51 8860.0 C57
2020-09-28 14:04:11 S 00 38 14.338 -05 14 31.13 V C57
2020-09-28 14:04:11 s 1 +13216.621 0 +389922.25 780.0 C57
2020-09-28 14:14:11 S 00 38 13.152 -05 14 33.86 V C57
2020-09-28 14:14:11 s 1 +12837.983 0 +390037.05 2660.0 C57
2020-09-28 14:24:11 S 00 38 12.019 -05 14 42.68 V C57
2020-09-28 14:24:11 s 1 +12459.309 0 +390150.90 4500.0 C57
2020-09-28 14:34:11 S 00 38 11.100 -05 14 48.98 V C57
2020-09-28 14:34:11 s 1 +12080.598 0 +390263.81 6290.0 C57
2020-09-28 14:54:11 S 00 38 09.185 -05 14 58.24 V C57
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-10-18 04:00:00 279933.18 0.75 Hz 2380 -1 -1
2003-10-18 04:50:00 176527379.2 2 us 2380 -1 -1
2003-10-26 03:00:00 100887889.8 1 us 2380 -1 -1
2003-11-04 00:40:00 39871.89 2 Hz 8560 -14 -14
2003-11-08 19:00:00 -646081.37 1.5 Hz 8560 -14 -14
2003-11-08 20:40:00 65849141.496 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)