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 19:54:11 s 1 +158753.82 3 +36435.853 9870.0 C57
2020-09-23 20:04:11 S 00 49 39.161 -04 10 25.36 V C57
2020-09-23 20:04:11 s 1 +159120.04 3 +37456.387 4350.0 C57
2020-09-23 20:14:11 S 00 49 38.220 -04 10 29.24 V C57
2020-09-23 20:14:11 s 1 +159481.06 1 +38475.699 5930.0 C57
2020-09-23 20:24:11 S 00 49 37.219 -04 10 35.87 V C57
2020-09-23 20:24:11 s 1 +159836.92 0 +39493.769 4620.0 C57
2020-09-23 20:44:11 S 00 49 35.321 -04 10 49.01 V C57
2020-09-23 20:44:11 s 1 +160533.33 5 +41526.108 3450.0 C57
2020-09-23 20:54:11 S 00 49 34.279 -04 10 53.76 V C57
2020-09-23 20:54:11 s 1 +160873.97 6 +42540.339 3640.0 C57
2020-09-23 21:04:11 S 00 49 33.358 -04 10 55.74 V C57
2020-09-23 21:04:11 s 1 +161209.63 1 +43553.255 1060.0 C57
2020-09-23 21:14:11 S 00 49 32.383 -04 11 01.75 V C57
2020-09-23 21:14:11 s 1 +161540.34 1 +44564.837 5710.0 C57
2020-09-23 21:24:11 S 00 49 31.428 -04 11 08.45 V C57
2020-09-23 21:24:11 s 1 +161866.14 7 +45575.069 7640.0 C57
2020-09-23 21:34:11 S 00 49 30.197 -04 11 13.02 V C57
2020-09-23 21:34:11 s 1 +162187.09 0 +46583.935 6860.0 C57
2020-09-23 21:44:11 S 00 49 29.114 -04 11 24.18 V C57
2020-09-23 21:44:11 s 1 +162503.21 2 +47591.419 3400.0 C57
2020-09-23 22:04:11 S 00 49 27.468 -04 11 31.56 V C57
2020-09-23 22:04:11 s 1 +163121.15 2 +49602.179 8520.0 C57
2020-09-23 22:14:11 S 00 49 26.633 -04 11 36.46 V C57
2020-09-23 22:14:11 s 1 +163423.04 9 +50605.426 7150.0 C57
2020-09-23 22:24:11 S 00 49 25.589 -04 11 39.08 V C57
2020-09-23 22:24:11 s 1 +163720.28 4 +51607.232 3200.0 C57
2020-09-23 22:34:11 S 00 49 24.646 -04 11 48.30 V C57
2020-09-23 22:34:11 s 1 +164012.89 5 +52607.583 6680.0 C57
2020-09-23 22:44:11 S 00 49 23.566 -04 11 51.61 V C57
2020-09-23 22:44:11 s 1 +164300.92 1 +53606.467 7620.0 C57
2020-09-23 22:54:11 S 00 49 22.810 -04 11 57.88 V C57
2020-09-23 22:54:11 s 1 +164584.40 0 +54603.869 6050.0 C57
2020-09-23 23:04:11 S 00 49 21.696 -04 12 06.91 V C57
2020-09-23 23:04:11 s 1 +164863.36 9 +55599.778 1970.0 C57
2020-09-23 23:14:11 S 00 49 20.777 -04 12 11.41 V C57
2020-09-23 23:14:11 s 1 +165137.86 7 +56594.182 5430.0 C57
2020-09-23 23:24:11 S 00 49 20.057 -04 12 14.26 V C57
2020-09-23 23:24:11 s 1 +165407.92 9 +57587.068 6420.0 C57
2020-09-23 23:34:11 S 00 49 18.874 -04 12 17.86 V C57
2020-09-23 23:34:11 s 1 +165673.59 3 +58578.426 4990.0 C57
2020-09-23 23:54:11 S 00 49 17.035 -04 12 32.04 V C57
2020-09-23 23:54:11 s 1 +166191.87 1 +60556.512 4920.0 C57
2020-09-24 00:04:11 S 00 49 15.938 -04 12 30.38 V C57
2020-09-24 00:04:11 s 1 +166444.55 6 +61543.219 6330.0 C57
2020-09-24 00:24:11 S 00 49 13.836 -04 12 46.30 V C57
2020-09-24 00:24:11 s 1 +166937.19 4 +63511.911 2120.0 C57
2020-09-24 00:34:11 S 00 49 12.888 -04 12 51.41 V C57
2020-09-24 00:34:11 s 1 +167177.21 7 +64493.877 6550.0 C57
2020-09-24 00:44:11 S 00 49 11.844 -04 12 56.56 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)