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
2020-09-27 12:14:11 s 1 +70803.305 0 +360345.70 4830.0 C57
2020-09-27 12:24:11 S 00 40 52.416 -04 59 30.95 V C57
2020-09-27 12:24:11 s 1 +70442.797 0 +360613.92 3830.0 C57
2020-09-27 12:44:11 S 00 40 50.402 -04 59 43.73 V C57
2020-09-27 12:44:11 s 1 +69721.160 0 +361147.23 1660.0 C57
2020-09-27 12:54:11 S 00 40 49.238 -04 59 46.64 V C57
2020-09-27 12:54:11 s 1 +69360.033 0 +361412.32 490.0 C57
2020-09-27 13:24:11 S 00 40 46.505 -05 00 05.11 V C57
2020-09-27 13:24:11 s 1 +68275.439 0 +362201.34 6640.0 C57
2020-09-27 14:04:11 S 00 40 42.178 -05 00 32.80 V C57
2020-09-27 14:04:11 s 1 +66826.528 0 +363238.80 750.0 C57
2020-09-27 14:14:11 S 00 40 41.134 -05 00 37.44 V C57
2020-09-27 14:14:11 s 1 +66463.812 0 +363495.58 9140.0 C57
2020-09-27 14:24:11 S 00 40 40.536 -05 00 45.07 V C57
2020-09-27 14:24:11 s 1 +66100.903 0 +363751.32 7490.0 C57
2020-09-27 14:34:11 S 00 40 39.202 -05 00 49.79 V C57
2020-09-27 14:34:11 s 1 +65737.802 0 +364006.02 5780.0 C57
2020-09-27 14:44:11 S 00 40 38.107 -05 00 48.71 V C57
2020-09-27 14:44:11 s 1 +65374.512 0 +364259.69 4030.0 C57
2020-09-27 14:54:11 S 00 40 36.907 -05 01 03.07 V C57
2020-09-27 14:54:11 s 1 +65011.032 0 +364512.33 2220.0 C57
2020-09-27 15:04:11 S 00 40 36.317 -05 01 03.68 V C57
2020-09-27 15:04:11 s 1 +64647.365 0 +364763.93 370.0 C57
2020-09-27 15:14:11 S 00 40 35.304 -05 01 10.52 V C57
2020-09-27 15:14:11 s 1 +64283.511 0 +365014.51 8470.0 C57
2020-09-27 15:24:11 S 00 40 33.910 -05 01 13.04 V C57
2020-09-27 15:24:11 s 1 +63919.473 0 +365264.05 6530.0 C57
2020-09-27 15:34:11 S 00 40 33.170 -05 01 18.62 V C57
2020-09-27 15:34:11 s 1 +63555.251 0 +365512.56 4540.0 C57
2020-09-27 15:44:11 S 00 40 32.254 -05 01 26.29 V C57
2020-09-27 15:44:11 s 1 +63190.846 0 +365760.04 2510.0 C57
2020-09-27 15:54:11 S 00 40 31.116 -05 01 30.83 V C57
2020-09-27 15:54:11 s 1 +62826.260 0 +366006.50 430.0 C57
2020-09-27 16:04:11 S 00 40 29.916 -05 01 36.70 V C57
2020-09-27 16:04:11 s 1 +62461.494 0 +366251.93 8300.0 C57
2020-09-27 16:14:11 S 00 40 29.011 -05 01 44.54 V C57
2020-09-27 16:14:11 s 1 +62096.549 0 +366496.33 6140.0 C57
2020-09-27 16:24:11 S 00 40 28.058 -05 01 49.40 V C57
2020-09-27 16:24:11 s 1 +61731.427 0 +366739.70 3930.0 C57
2020-09-27 16:34:11 S 00 40 26.995 -05 01 56.03 V C57
2020-09-27 16:34:11 s 1 +61366.129 0 +366982.05 1680.0 C57
2020-09-27 16:44:11 S 00 40 25.692 -05 02 02.18 V C57
2020-09-27 16:44:11 s 1 +61000.656 0 +367223.38 9400.0 C57
2020-09-27 16:54:11 S 00 40 24.900 -05 02 07.30 V C57
2020-09-27 16:54:11 s 1 +60635.009 0 +367463.68 7070.0 C57
2020-09-27 17:04:11 S 00 40 23.885 -05 02 11.15 V C57
2020-09-27 17:04:11 s 1 +60269.189 0 +367702.96 4700.0 C57
2020-09-27 17:14:11 S 00 40 22.661 -05 02 18.28 V C57
2020-09-27 17:14:11 s 1 +59903.199 0 +367941.21 2300.0 C57
2020-09-27 17:24:11 S 00 40 21.758 -05 02 22.38 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)