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
2020-09-23 15:34:11 s 1 +147252.17 4 + 9553.348 8420.0 C57
2020-09-23 15:44:11 S 00 50 03.998 -04 08 08.63 V C57
2020-09-23 15:44:11 s 1 +147770.43 8 +10596.521 8780.0 C57
2020-09-23 15:54:11 S 00 50 03.036 -04 08 13.42 V C57
2020-09-23 15:54:11 s 1 +148282.21 2 +11639.232 5440.0 C57
2020-09-23 16:04:11 S 00 50 01.961 -04 08 19.18 V C57
2020-09-23 16:04:11 s 1 +148787.55 3 +12681.441 8440.0 C57
2020-09-23 16:14:11 S 00 50 01.330 -04 08 22.85 V C57
2020-09-23 16:14:11 s 1 +149286.51 2 +13723.109 7800.0 C57
2020-09-23 16:24:11 S 00 50 00.230 -04 08 27.60 V C57
2020-09-23 16:24:11 s 1 +149779.14 5 +14764.198 3570.0 C57
2020-09-23 16:44:11 S 00 49 58.538 -04 08 41.06 V C57
2020-09-23 16:44:11 s 1 +150745.64 3 +16844.494 4460.0 C57
2020-09-23 16:54:11 S 00 49 57.101 -04 08 46.25 V C57
2020-09-23 16:54:11 s 1 +151219.61 4 +17883.630 9640.0 C57
2020-09-23 17:04:11 S 00 49 56.362 -04 08 53.48 V C57
2020-09-23 17:04:11 s 1 +151687.46 8 +18922.046 1350.0 C57
2020-09-23 17:14:11 S 00 49 55.327 -04 08 55.14 V C57
2020-09-23 17:14:11 s 1 +152149.25 9 +19959.709 9630.0 C57
2020-09-23 17:24:11 S 00 49 54.326 -04 08 59.75 V C57
2020-09-23 17:24:11 s 1 +152605.03 7 +20996.585 4510.0 C57
2020-09-23 17:34:11 S 00 49 53.844 -04 09 09.00 V C57
2020-09-23 17:34:11 s 1 +153054.85 2 +22032.645 6010.0 C57
2020-09-23 17:44:11 S 00 49 52.625 -04 09 15.19 V C57
2020-09-23 17:44:11 s 1 +153498.75 7 +23067.856 4170.0 C57
2020-09-23 17:54:11 S 00 49 51.607 -04 09 17.53 V C57
2020-09-23 17:54:11 s 1 +153936.80 0 +24102.189 9030.0 C57
2020-09-23 18:04:11 S 00 49 50.472 -04 09 27.79 V C57
2020-09-23 18:04:11 s 1 +154369.03 2 +25135.616 600.0 C57
2020-09-23 18:14:11 S 00 49 49.714 -04 09 29.27 V C57
2020-09-23 18:14:11 s 1 +154795.50 1 +26168.107 8930.0 C57
2020-09-23 18:24:11 S 00 49 48.569 -04 09 32.80 V C57
2020-09-23 18:24:11 s 1 +155216.25 7 +27199.635 4030.0 C57
2020-09-23 18:34:11 S 00 49 47.736 -04 09 42.01 V C57
2020-09-23 18:34:11 s 1 +155631.34 8 +28230.173 5950.0 C57
2020-09-23 18:44:11 S 00 49 46.762 -04 09 46.37 V C57
2020-09-23 18:44:11 s 1 +156040.82 3 +29259.696 4700.0 C57
2020-09-23 18:54:11 S 00 49 45.962 -04 09 50.72 V C57
2020-09-23 18:54:11 s 1 +156444.72 8 +30288.177 320.0 C57
2020-09-23 19:04:11 S 00 49 44.950 -04 09 53.64 V C57
2020-09-23 19:04:11 s 1 +156843.11 1 +31315.592 2840.0 C57
2020-09-23 19:14:11 S 00 49 44.023 -04 09 59.33 V C57
2020-09-23 19:14:11 s 1 +157236.01 9 +32341.916 2290.0 C57
2020-09-23 19:24:11 S 00 49 43.051 -04 10 03.50 V C57
2020-09-23 19:24:11 s 1 +157623.49 9 +33367.127 8680.0 C57
2020-09-23 19:34:11 S 00 49 42.098 -04 10 11.35 V C57
2020-09-23 19:34:11 s 1 +158005.59 5 +34391.202 2060.0 C57
2020-09-23 19:44:11 S 00 49 41.074 -04 10 13.33 V C57
2020-09-23 19:44:11 s 1 +158382.35 5 +35414.118 2450.0 C57
2020-09-23 19:54:11 S 00 49 40.097 -04 10 23.38 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)