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 17:24:11 s 1 +59537.038 0 +368178.45 9850.0 C57
2020-09-27 17:34:11 S 00 40 20.794 -05 02 28.97 V C57
2020-09-27 17:34:11 s 1 +59170.709 0 +368414.66 7370.0 C57
2020-09-27 17:44:11 S 00 40 19.716 -05 02 35.95 V C57
2020-09-27 17:44:11 s 1 +58804.213 0 +368649.86 4860.0 C57
2020-09-27 17:54:11 S 00 40 18.701 -05 02 46.57 V C57
2020-09-27 17:54:11 s 1 +58437.550 0 +368884.04 2310.0 C57
2020-09-27 18:04:11 S 00 40 17.566 -05 02 46.90 V C57
2020-09-27 18:04:11 s 1 +58070.722 0 +369117.20 9720.0 C57
2020-09-27 18:14:11 S 00 40 16.678 -05 02 53.05 V C57
2020-09-27 18:14:11 s 1 +57703.730 0 +369349.34 7100.0 C57
2020-09-27 18:24:11 S 00 40 15.454 -05 03 03.71 V C57
2020-09-27 18:24:11 s 1 +57336.576 0 +369580.46 4450.0 C57
2020-09-27 18:34:11 S 00 40 14.784 -05 03 07.63 V C57
2020-09-27 18:34:11 s 1 +56969.260 0 +369810.57 1770.0 C57
2020-09-27 18:54:11 S 00 40 12.799 -05 03 15.62 V C57
2020-09-27 18:54:11 s 1 +56234.149 0 +370267.74 6300.0 C57
2020-09-27 19:14:11 S 00 40 10.423 -05 03 29.81 V C57
2020-09-27 19:14:11 s 1 +55498.407 0 +370720.86 9280.0 C57
2020-09-27 19:34:11 S 00 40 08.381 -05 03 39.28 V C57
2020-09-27 19:34:11 s 1 +54762.043 0 +371169.92 4990.0 C57
2020-09-27 19:44:11 S 00 40 07.474 -05 03 46.84 V C57
2020-09-27 19:44:11 s 1 +54393.631 0 +371392.94 7880.0 C57
2020-09-27 19:54:11 S 00 40 06.655 -05 03 50.29 V C57
2020-09-27 19:54:11 s 1 +54025.068 0 +371614.95 800.0 C57
2020-09-27 20:04:11 S 00 40 05.386 -05 03 57.35 V C57
2020-09-27 20:04:11 s 1 +53656.353 0 +371835.95 3740.0 C57
2020-09-27 20:14:11 S 00 40 04.387 -05 04 02.39 V C57
2020-09-27 20:14:11 s 1 +53287.489 0 +372055.94 6710.0 C57
2020-09-27 20:24:11 S 00 40 03.238 -05 04 09.55 V C57
2020-09-27 20:24:11 s 1 +52918.477 0 +372274.92 9710.0 C57
2020-09-27 20:34:11 S 00 40 02.290 -05 04 16.32 V C57
2020-09-27 20:34:11 s 1 +52549.318 0 +372492.89 2730.0 C57
2020-09-27 20:44:11 S 00 40 01.404 -05 04 18.01 V C57
2020-09-27 20:44:11 s 1 +52180.013 0 +372709.86 5770.0 C57
2020-09-27 20:54:11 S 00 40 00.554 -05 04 27.77 V C57
2020-09-27 20:54:11 s 1 +51810.563 0 +372925.82 8840.0 C57
2020-09-27 21:04:11 S 00 39 59.405 -05 04 32.27 V C57
2020-09-27 21:04:11 s 1 +51440.969 0 +373140.78 1930.0 C57
2020-09-27 21:14:11 S 00 39 58.390 -05 04 38.68 V C57
2020-09-27 21:14:11 s 1 +51071.233 0 +373354.73 5030.0 C57
2020-09-27 21:24:11 S 00 39 57.410 -05 04 42.82 V C57
2020-09-27 21:24:11 s 1 +50701.356 0 +373567.68 8160.0 C57
2020-09-27 21:34:11 S 00 39 56.170 -05 04 49.91 V C57
2020-09-27 21:34:11 s 1 +50331.338 0 +373779.63 1310.0 C57
2020-09-27 21:44:11 S 00 39 55.416 -05 04 55.74 V C57
2020-09-27 21:44:11 s 1 +49961.182 0 +373990.57 4480.0 C57
2020-09-27 21:54:11 S 00 39 54.122 -05 05 02.80 V C57
2020-09-27 21:54:11 s 1 +49590.887 0 +374200.51 7670.0 C57
2020-09-27 22:04:11 S 00 39 53.028 -05 05 08.23 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)