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
2020-10-02 08:44:11 s 1 -174868.69 9 +317932.17 5790.0 C57
2020-10-02 09:04:11 S 00 28 33.830 -06 09 52.85 V C57
2020-10-02 09:04:11 s 1 -175398.51 4 +317167.07 1950.0 C57
2020-10-02 09:14:11 S 00 28 32.590 -06 09 55.44 V C57
2020-10-02 09:14:11 s 1 -175662.64 3 +316783.08 9400.0 C57
2020-10-02 09:24:11 S 00 28 31.570 -06 10 04.80 V C57
2020-10-02 09:24:11 s 1 -175926.25 2 +316398.12 6430.0 C57
2020-10-02 09:44:11 S 00 28 29.270 -06 10 12.68 V C57
2020-10-02 09:44:11 s 1 -176451.90 0 +315625.31 9200.0 C57
2020-10-02 10:14:11 S 00 28 26.153 -06 10 36.55 V C57
2020-10-02 10:14:11 s 1 -177236.42 5 +314458.84 5160.0 C57
2020-10-02 10:24:11 S 00 28 25.109 -06 10 41.92 V C57
2020-10-02 10:24:11 s 1 -177496.87 3 +314068.09 9620.0 C57
2020-10-02 10:34:11 S 00 28 23.827 -06 10 45.08 V C57
2020-10-02 10:34:11 s 1 -177756.78 9 +313676.37 3640.0 C57
2020-10-02 10:44:11 S 00 28 23.030 -06 10 54.66 V C57
2020-10-02 10:44:11 s 1 -178016.17 0 +313283.68 7240.0 C57
2020-10-02 10:54:11 S 00 28 21.859 -06 10 58.26 V C57
2020-10-02 10:54:11 s 1 -178275.01 5 +312890.02 390.0 C57
2020-10-02 11:04:11 S 00 28 20.714 -06 11 07.69 V C57
2020-10-02 11:04:11 s 1 -178533.32 2 +312495.39 3120.0 C57
2020-10-02 11:14:11 S 00 28 19.630 -06 11 11.04 V C57
2020-10-02 11:14:11 s 1 -178791.08 9 +312099.79 5400.0 C57
2020-10-02 11:24:11 S 00 28 18.586 -06 11 20.18 V C57
2020-10-02 11:24:11 s 1 -179048.31 4 +311703.23 7250.0 C57
2020-10-02 11:34:11 S 00 28 17.491 -06 11 22.99 V C57
2020-10-02 11:34:11 s 1 -179304.99 6 +311305.69 8660.0 C57
2020-10-02 11:44:11 S 00 28 16.382 -06 11 32.32 V C57
2020-10-02 11:44:11 s 1 -179561.13 3 +310907.18 9630.0 C57
2020-10-02 11:54:11 S 00 28 15.250 -06 11 38.11 V C57
2020-10-02 11:54:11 s 1 -179816.72 2 +310507.70 160.0 C57
2020-10-02 12:04:11 S 00 28 14.206 -06 11 42.76 V C57
2020-10-02 12:04:11 s 1 -180071.76 3 +310107.24 240.0 C57
2020-10-02 12:14:11 S 00 28 12.936 -06 11 50.60 V C57
2020-10-02 12:14:11 s 1 -180326.25 4 +309705.82 9880.0 C57
2020-10-02 12:24:11 S 00 28 12.053 -06 11 56.94 V C57
2020-10-02 12:24:11 s 1 -180580.19 2 +309303.42 9080.0 C57
2020-10-02 12:34:11 S 00 28 11.071 -06 12 01.58 V C57
2020-10-02 12:34:11 s 1 -180833.57 5 +308900.04 7830.0 C57
2020-10-02 12:44:11 S 00 28 09.804 -06 12 07.13 V C57
2020-10-02 12:44:11 s 1 -181086.40 3 +308495.70 6130.0 C57
2020-10-02 12:54:11 S 00 28 08.686 -06 12 15.77 V C57
2020-10-02 12:54:11 s 1 -181338.67 3 +308090.37 3980.0 C57
2020-10-02 13:04:11 S 00 28 07.766 -06 12 20.27 V C57
2020-10-02 13:04:11 s 1 -181590.38 3 +307684.08 1380.0 C57
2020-10-02 13:14:11 S 00 28 06.564 -06 12 27.04 V C57
2020-10-02 13:14:11 s 1 -181841.53 1 +307276.80 8330.0 C57
2020-10-02 13:24:11 S 00 28 05.592 -06 12 32.26 V C57
2020-10-02 13:24:11 s 1 -182092.11 7 +306868.55 4830.0 C57
2020-10-02 13:34:11 S 00 28 04.394 -06 12 41.18 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)