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 02:24:11 s 1 +39544.935 0 +379492.83 8280.0 C57
2020-09-28 02:34:11 S 00 39 25.543 -05 07 44.90 V C57
2020-09-28 02:34:11 s 1 +39171.234 0 +379675.00 1710.0 C57
2020-09-28 02:44:11 S 00 39 24.293 -05 07 50.48 V C57
2020-09-28 02:44:11 s 1 +38797.428 0 +379856.19 5150.0 C57
2020-09-28 02:54:11 S 00 39 23.477 -05 07 53.65 V C57
2020-09-28 02:54:11 s 1 +38423.516 0 +380036.39 8580.0 C57
2020-09-28 03:04:11 S 00 39 22.387 -05 08 01.39 V C57
2020-09-28 03:04:11 s 1 +38049.501 0 +380215.62 2010.0 C57
2020-09-28 03:14:11 S 00 39 21.233 -05 08 10.03 V C57
2020-09-28 03:14:11 s 1 +37675.383 0 +380393.86 5440.0 C57
2020-09-28 03:24:11 S 00 39 20.386 -05 08 16.19 V C57
2020-09-28 03:24:11 s 1 +37301.163 0 +380571.12 8870.0 C57
2020-09-28 03:34:11 S 00 39 19.154 -05 08 20.33 V C57
2020-09-28 03:34:11 s 1 +36926.843 0 +380747.41 2290.0 C57
2020-09-28 03:44:11 S 00 39 18.158 -05 08 26.38 V C57
2020-09-28 03:44:11 s 1 +36552.424 0 +380922.71 5710.0 C57
2020-09-28 03:54:11 S 00 39 17.057 -05 08 31.63 V C57
2020-09-28 03:54:11 s 1 +36177.905 0 +381097.03 9120.0 C57
2020-09-28 04:04:11 S 00 39 16.162 -05 08 37.61 V C57
2020-09-28 04:04:11 s 1 +35803.290 0 +381270.38 2530.0 C57
2020-09-28 04:14:11 S 00 39 15.226 -05 08 42.32 V C57
2020-09-28 04:14:11 s 1 +35428.578 0 +381442.75 5930.0 C57
2020-09-28 04:24:11 S 00 39 13.956 -05 08 50.93 V C57
2020-09-28 04:24:11 s 1 +35053.771 0 +381614.15 9320.0 C57
2020-09-28 04:34:11 S 00 39 13.128 -05 08 56.90 V C57
2020-09-28 04:34:11 s 1 +34678.869 0 +381784.56 2710.0 C57
2020-09-28 04:44:11 S 00 39 11.854 -05 09 03.96 V C57
2020-09-28 04:44:11 s 1 +34303.875 0 +381954.01 6080.0 C57
2020-09-28 04:54:11 S 00 39 10.829 -05 09 05.83 V C57
2020-09-28 04:54:11 s 1 +33928.788 0 +382122.47 9450.0 C57
2020-09-28 05:04:11 S 00 39 09.866 -05 09 13.64 V C57
2020-09-28 05:04:11 s 1 +33553.609 0 +382289.97 2810.0 C57
2020-09-28 05:14:11 S 00 39 08.873 -05 09 18.32 V C57
2020-09-28 05:14:11 s 1 +33178.341 0 +382456.49 6160.0 C57
2020-09-28 05:24:11 S 00 39 07.879 -05 09 23.26 V C57
2020-09-28 05:24:11 s 1 +32802.983 0 +382622.03 9500.0 C57
2020-09-28 05:44:11 S 00 39 05.899 -05 09 36.94 V C57
2020-09-28 05:44:11 s 1 +32052.005 0 +382950.21 6140.0 C57
2020-09-28 05:54:11 S 00 39 04.906 -05 09 40.10 V C57
2020-09-28 05:54:11 s 1 +31676.386 0 +383112.84 9440.0 C57
2020-09-28 06:04:11 S 00 39 03.691 -05 09 48.06 V C57
2020-09-28 06:04:11 s 1 +31300.683 0 +383274.50 2730.0 C57
2020-09-28 06:14:11 S 00 39 02.762 -05 09 54.76 V C57
2020-09-28 06:14:11 s 1 +30924.895 0 +383435.19 6000.0 C57
2020-09-28 06:24:11 S 00 39 01.661 -05 10 00.80 V C57
2020-09-28 06:24:11 s 1 +30549.024 0 +383594.90 9260.0 C57
2020-09-28 06:34:11 S 00 39 00.696 -05 10 04.51 V C57
2020-09-28 06:34:11 s 1 +30173.071 0 +383753.65 2510.0 C57
2020-09-28 06:44:11 S 00 38 59.642 -05 10 09.80 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)