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
2020-09-30 15:54:11 s 1 -97821.269 0 +383452.51 5890.0 C57
2020-09-30 16:04:11 S 00 32 58.687 -05 44 28.21 V C57
2020-09-30 16:04:11 s 1 -98172.724 0 +383296.02 9640.0 C57
2020-09-30 16:14:11 S 00 32 57.643 -05 44 33.90 V C57
2020-09-30 16:14:11 s 1 -98523.960 0 +383138.64 3170.0 C57
2020-09-30 16:24:11 S 00 32 56.585 -05 44 43.58 V C57
2020-09-30 16:24:11 s 1 -98874.976 0 +382980.36 6490.0 C57
2020-09-30 16:34:11 S 00 32 55.675 -05 44 46.90 V C57
2020-09-30 16:34:11 s 1 -99225.771 0 +382821.19 9590.0 C57
2020-09-30 16:44:11 S 00 32 54.432 -05 44 52.04 V C57
2020-09-30 16:44:11 s 1 -99576.344 0 +382661.12 2470.0 C57
2020-09-30 16:54:11 S 00 32 53.489 -05 44 58.34 V C57
2020-09-30 16:54:11 s 1 -99926.695 0 +382500.15 5140.0 C57
2020-09-30 17:04:11 S 00 32 52.313 -05 45 04.57 V C57
2020-09-30 17:04:11 s 1 -100276.82 2 +382338.30 7580.0 C57
2020-09-30 17:14:11 S 00 32 51.334 -05 45 08.53 V C57
2020-09-30 17:14:11 s 1 -100626.72 4 +382175.54 9810.0 C57
2020-09-30 17:24:11 S 00 32 50.215 -05 45 17.39 V C57
2020-09-30 17:24:11 s 1 -100976.40 1 +382011.89 1820.0 C57
2020-09-30 17:34:11 S 00 32 49.217 -05 45 21.28 V C57
2020-09-30 17:34:11 s 1 -101325.85 1 +381847.35 3610.0 C57
2020-09-30 17:54:11 S 00 32 46.918 -05 45 38.27 V C57
2020-09-30 17:54:11 s 1 -102024.06 8 +381515.57 6510.0 C57
2020-09-30 18:04:11 S 00 32 45.938 -05 45 41.33 V C57
2020-09-30 18:04:11 s 1 -102372.83 3 +381348.33 7640.0 C57
2020-09-30 18:14:11 S 00 32 44.858 -05 45 47.88 V C57
2020-09-30 18:14:11 s 1 -102721.36 8 +381180.21 8530.0 C57
2020-09-30 18:24:11 S 00 32 43.860 -05 45 53.10 V C57
2020-09-30 18:24:11 s 1 -103069.67 2 +381011.18 9210.0 C57
2020-09-30 18:34:11 S 00 32 42.746 -05 46 00.73 V C57
2020-09-30 18:34:11 s 1 -103417.74 4 +380841.26 9660.0 C57
2020-09-30 18:44:11 S 00 32 41.544 -05 46 07.07 V C57
2020-09-30 18:44:11 s 1 -103765.58 3 +380670.44 9880.0 C57
2020-09-30 18:54:11 S 00 32 40.538 -05 46 13.12 V C57
2020-09-30 18:54:11 s 1 -104113.18 8 +380498.73 9880.0 C57
2020-09-30 19:04:11 S 00 32 39.365 -05 46 18.98 V C57
2020-09-30 19:04:11 s 1 -104460.55 7 +380326.12 9650.0 C57
2020-09-30 19:14:11 S 00 32 38.340 -05 46 25.97 V C57
2020-09-30 19:14:11 s 1 -104807.69 1 +380152.61 9200.0 C57
2020-09-30 19:24:11 S 00 32 37.368 -05 46 32.63 V C57
2020-09-30 19:24:11 s 1 -105154.58 9 +379978.21 8520.0 C57
2020-09-30 19:34:11 S 00 32 36.415 -05 46 36.23 V C57
2020-09-30 19:34:11 s 1 -105501.24 8 +379802.91 7610.0 C57
2020-09-30 19:44:11 S 00 32 35.220 -05 46 43.32 V C57
2020-09-30 19:44:11 s 1 -105847.66 9 +379626.71 6470.0 C57
2020-09-30 19:54:11 S 00 32 34.188 -05 46 49.04 V C57
2020-09-30 19:54:11 s 1 -106193.85 0 +379449.61 5100.0 C57
2020-09-30 20:04:11 S 00 32 33.106 -05 46 56.64 V C57
2020-09-30 20:04:11 s 1 -106539.79 1 +379271.62 3500.0 C57
2020-09-30 20:14:11 S 00 32 31.985 -05 47 03.37 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)