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
2020-10-01 10:04:11 s 1 -134638.45 9 +361101.84 5640.0 C57
2020-10-01 10:14:11 S 00 31 01.656 -05 55 35.11 V C57
2020-10-01 10:14:11 s 1 -134960.27 4 +360846.99 1890.0 C57
2020-10-01 10:24:11 S 00 31 00.480 -05 55 39.14 V C57
2020-10-01 10:24:11 s 1 -135281.76 0 +360591.23 7840.0 C57
2020-10-01 10:34:11 S 00 31 00.170 -05 55 51.92 V C57
2020-10-01 10:34:11 s 1 -135602.91 4 +360334.56 3510.0 C57
2020-10-01 10:44:11 S 00 30 58.500 -05 55 57.61 V C57
2020-10-01 10:44:11 s 1 -135923.73 7 +360076.97 8870.0 C57
2020-10-01 10:54:11 S 00 30 57.607 -05 56 03.37 V C57
2020-10-01 10:54:11 s 1 -136244.22 6 +359818.47 3940.0 C57
2020-10-01 11:04:11 S 00 30 56.561 -05 56 10.10 V C57
2020-10-01 11:04:11 s 1 -136564.38 1 +359559.05 8720.0 C57
2020-10-01 11:14:11 S 00 30 55.534 -05 56 15.32 V C57
2020-10-01 11:14:11 s 1 -136884.20 1 +359298.72 3200.0 C57
2020-10-01 11:24:11 S 00 30 54.463 -05 56 21.05 V C57
2020-10-01 11:24:11 s 1 -137203.68 4 +359037.48 7380.0 C57
2020-10-01 11:34:11 S 00 30 53.306 -05 56 26.38 V C57
2020-10-01 11:34:11 s 1 -137522.83 0 +358775.31 1260.0 C57
2020-10-01 11:44:11 S 00 30 52.253 -05 56 32.93 V C57
2020-10-01 11:44:11 s 1 -137841.63 6 +358512.24 4850.0 C57
2020-10-01 11:54:11 S 00 30 51.170 -05 56 40.20 V C57
2020-10-01 11:54:11 s 1 -138160.10 3 +358248.25 8130.0 C57
2020-10-01 12:04:11 S 00 30 49.999 -05 56 49.02 V C57
2020-10-01 12:04:11 s 1 -138478.22 8 +357983.34 1110.0 C57
2020-10-01 12:14:11 S 00 30 48.912 -05 56 52.40 V C57
2020-10-01 12:14:11 s 1 -138796.01 1 +357717.52 3800.0 C57
2020-10-01 12:24:11 S 00 30 48.005 -05 56 59.21 V C57
2020-10-01 12:24:11 s 1 -139113.45 0 +357450.78 6180.0 C57
2020-10-01 12:34:11 S 00 30 46.858 -05 57 05.69 V C57
2020-10-01 12:34:11 s 1 -139430.54 5 +357183.12 8250.0 C57
2020-10-01 12:44:11 S 00 30 45.684 -05 57 11.95 V C57
2020-10-01 12:44:11 s 1 -139747.29 4 +356914.55 30.0 C57
2020-10-01 12:54:11 S 00 30 44.678 -05 57 18.97 V C57
2020-10-01 12:54:11 s 1 -140063.69 6 +356645.06 1490.0 C57
2020-10-01 13:04:11 S 00 30 43.553 -05 57 22.93 V C57
2020-10-01 13:04:11 s 1 -140379.74 9 +356374.65 2660.0 C57
2020-10-01 13:14:11 S 00 30 42.523 -05 57 29.66 V C57
2020-10-01 13:14:11 s 1 -140695.45 4 +356103.32 3510.0 C57
2020-10-01 13:24:11 S 00 30 41.426 -05 57 36.86 V C57
2020-10-01 13:24:11 s 1 -141010.80 7 +355831.08 4060.0 C57
2020-10-01 13:34:11 S 00 30 40.476 -05 57 41.80 V C57
2020-10-01 13:34:11 s 1 -141325.80 9 +355557.92 4300.0 C57
2020-10-01 13:44:11 S 00 30 39.202 -05 57 46.98 V C57
2020-10-01 13:44:11 s 1 -141640.45 8 +355283.84 4240.0 C57
2020-10-01 13:54:11 S 00 30 38.237 -05 57 54.58 V C57
2020-10-01 13:54:11 s 1 -141954.75 3 +355008.84 3860.0 C57
2020-10-01 14:04:11 S 00 30 37.265 -05 57 58.86 V C57
2020-10-01 14:04:11 s 1 -142268.69 2 +354732.92 3170.0 C57
2020-10-01 14:14:11 S 00 30 35.918 -05 58 05.70 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)