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
2020-09-25 13:44:11 s 1 +156622.94 9 +240556.38 3870.0 C57
2020-09-25 13:54:11 S 00 45 32.741 -04 33 12.10 V C57
2020-09-25 13:54:11 s 1 +156400.57 1 +241164.50 4070.0 C57
2020-09-25 14:04:11 S 00 45 32.045 -04 33 15.66 V C57
2020-09-25 14:04:11 s 1 +156177.25 0 +241771.17 3810.0 C57
2020-09-25 14:14:11 S 00 45 30.710 -04 33 26.82 V C57
2020-09-25 14:14:11 s 1 +155952.98 9 +242376.38 3080.0 C57
2020-09-25 14:24:11 S 00 45 29.630 -04 33 28.66 V C57
2020-09-25 14:24:11 s 1 +155727.79 6 +242980.15 1900.0 C57
2020-09-25 14:34:11 S 00 45 28.898 -04 33 33.01 V C57
2020-09-25 14:34:11 s 1 +155501.67 4 +243582.47 250.0 C57
2020-09-25 14:44:11 S 00 45 27.830 -04 33 39.49 V C57
2020-09-25 14:44:11 s 1 +155274.62 8 +244183.34 8160.0 C57
2020-09-25 14:54:11 S 00 45 26.794 -04 33 45.47 V C57
2020-09-25 14:54:11 s 1 +155046.66 5 +244782.77 5610.0 C57
2020-09-25 15:04:11 S 00 45 25.805 -04 33 51.91 V C57
2020-09-25 15:04:11 s 1 +154817.78 8 +245380.76 2620.0 C57
2020-09-25 15:14:11 S 00 45 24.624 -04 33 54.50 V C57
2020-09-25 15:14:11 s 1 +154588.00 2 +245977.31 9180.0 C57
2020-09-25 15:24:11 S 00 45 23.995 -04 34 03.83 V C57
2020-09-25 15:24:11 s 1 +154357.31 3 +246572.43 5300.0 C57
2020-09-25 15:34:11 S 00 45 22.906 -04 34 08.33 V C57
2020-09-25 15:34:11 s 1 +154125.72 5 +247166.11 970.0 C57
2020-09-25 15:54:11 S 00 45 20.916 -04 34 18.26 V C57
2020-09-25 15:54:11 s 1 +153659.87 3 +248349.18 1020.0 C57
2020-09-25 16:04:11 S 00 45 19.728 -04 34 28.20 V C57
2020-09-25 16:04:11 s 1 +153425.61 9 +248938.57 5390.0 C57
2020-09-25 16:14:11 S 00 45 19.181 -04 34 30.65 V C57
2020-09-25 16:14:11 s 1 +153190.48 4 +249526.53 9330.0 C57
2020-09-25 16:44:11 S 00 45 15.922 -04 34 47.14 V C57
2020-09-25 16:44:11 s 1 +152479.85 2 +251281.89 8600.0 C57
2020-09-25 16:54:11 S 00 45 14.878 -04 34 54.48 V C57
2020-09-25 16:54:11 s 1 +152241.24 7 +251864.18 850.0 C57
2020-09-25 17:04:11 S 00 45 13.870 -04 34 59.30 V C57
2020-09-25 17:04:11 s 1 +152001.78 6 +252445.05 2680.0 C57
2020-09-25 17:14:11 S 00 45 13.085 -04 35 05.78 V C57
2020-09-25 17:14:11 s 1 +151761.47 3 +253024.50 4100.0 C57
2020-09-25 17:24:11 S 00 45 11.710 -04 35 04.70 V C57
2020-09-25 17:24:11 s 1 +151520.31 3 +253602.55 5100.0 C57
2020-09-25 17:34:11 S 00 45 10.999 -04 35 15.32 V C57
2020-09-25 17:34:11 s 1 +151278.31 1 +254179.18 5700.0 C57
2020-09-25 17:44:11 S 00 45 09.970 -04 35 21.55 V C57
2020-09-25 17:44:11 s 1 +151035.47 1 +254754.41 5890.0 C57
2020-09-25 17:54:11 S 00 45 09.058 -04 35 24.40 V C57
2020-09-25 17:54:11 s 1 +150791.79 7 +255328.23 5670.0 C57
2020-09-25 18:04:11 S 00 45 07.829 -04 35 32.93 V C57
2020-09-25 18:04:11 s 1 +150547.29 4 +255900.66 5050.0 C57
2020-09-25 18:14:11 S 00 45 06.905 -04 35 39.16 V C57
2020-09-25 18:14:11 s 1 +150301.96 6 +256471.68 4030.0 C57
2020-09-25 18:24:11 S 00 45 05.856 -04 35 41.53 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)