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 06:54:11 s 1 -78542.377 0 +390575.53 1210.0 C57
2020-09-30 07:04:11 S 00 33 56.290 -05 39 00.72 V C57
2020-09-30 07:04:11 s 1 -78904.330 0 +390467.29 5660.0 C57
2020-09-30 07:14:11 S 00 33 54.979 -05 39 05.83 V C57
2020-09-30 07:14:11 s 1 -79266.111 0 +390358.16 9920.0 C57
2020-09-30 07:24:11 S 00 33 54.271 -05 39 10.33 V C57
2020-09-30 07:24:11 s 1 -79627.721 0 +390248.13 4000.0 C57
2020-09-30 07:34:11 S 00 33 52.882 -05 39 18.36 V C57
2020-09-30 07:34:11 s 1 -79989.157 0 +390137.22 7900.0 C57
2020-09-30 07:44:11 S 00 33 52.030 -05 39 24.80 V C57
2020-09-30 07:44:11 s 1 -80350.420 0 +390025.40 1610.0 C57
2020-09-30 07:54:11 S 00 33 50.861 -05 39 31.03 V C57
2020-09-30 07:54:11 s 1 -80711.509 0 +389912.70 5140.0 C57
2020-09-30 08:04:11 S 00 33 49.870 -05 39 37.66 V C57
2020-09-30 08:04:11 s 1 -81072.422 0 +389799.10 8490.0 C57
2020-09-30 08:14:11 S 00 33 48.650 -05 39 42.62 V C57
2020-09-30 08:14:11 s 1 -81433.158 0 +389684.62 1650.0 C57
2020-09-30 08:24:11 S 00 33 47.674 -05 39 49.03 V C57
2020-09-30 08:24:11 s 1 -81793.718 0 +389569.23 4620.0 C57
2020-09-30 08:34:11 S 00 33 46.574 -05 39 53.96 V C57
2020-09-30 08:34:11 s 1 -82154.099 0 +389452.96 7410.0 C57
2020-09-30 08:44:11 S 00 33 45.622 -05 40 01.45 V C57
2020-09-30 08:44:11 s 1 -82514.301 0 +389335.79 10.0 C57
2020-09-30 08:54:11 S 00 33 44.424 -05 40 09.95 V C57
2020-09-30 08:54:11 s 1 -82874.324 0 +389217.73 2420.0 C57
2020-09-30 09:04:11 S 00 33 43.404 -05 40 14.38 V C57
2020-09-30 09:04:11 s 1 -83234.166 0 +389098.78 4640.0 C57
2020-09-30 09:14:11 S 00 33 42.324 -05 40 17.58 V C57
2020-09-30 09:14:11 s 1 -83593.827 0 +388978.93 6680.0 C57
2020-09-30 09:24:11 S 00 33 41.515 -05 40 26.72 V C57
2020-09-30 09:24:11 s 1 -83953.305 0 +388858.19 8520.0 C57
2020-09-30 09:34:11 S 00 33 40.349 -05 40 30.90 V C57
2020-09-30 09:34:11 s 1 -84312.599 0 +388736.56 170.0 C57
2020-09-30 09:44:11 S 00 33 39.127 -05 40 39.47 V C57
2020-09-30 09:44:11 s 1 -84671.710 0 +388614.03 1640.0 C57
2020-09-30 10:04:11 S 00 33 36.996 -05 40 50.63 V C57
2020-09-30 10:04:11 s 1 -85389.376 0 +388366.30 3990.0 C57
2020-09-30 10:14:11 S 00 33 35.993 -05 40 57.04 V C57
2020-09-30 10:14:11 s 1 -85747.929 0 +388241.10 4870.0 C57
2020-09-30 10:24:11 S 00 33 35.033 -05 41 03.91 V C57
2020-09-30 10:24:11 s 1 -86106.294 0 +388115.00 5570.0 C57
2020-09-30 10:34:11 S 00 33 33.869 -05 41 07.51 V C57
2020-09-30 10:34:11 s 1 -86464.471 0 +387988.01 6070.0 C57
2020-09-30 10:44:11 S 00 33 32.813 -05 41 14.03 V C57
2020-09-30 10:44:11 s 1 -86822.458 0 +387860.12 6370.0 C57
2020-09-30 10:54:11 S 00 33 31.697 -05 41 19.32 V C57
2020-09-30 10:54:11 s 1 -87180.255 0 +387731.35 6480.0 C57
2020-09-30 11:04:11 S 00 33 30.761 -05 41 26.92 V C57
2020-09-30 11:04:11 s 1 -87537.861 0 +387601.68 6390.0 C57
2020-09-30 11:14:11 S 00 33 29.664 -05 41 34.91 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)