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
2020-09-24 10:04:11 s 1 +174911.72 5 +117646.13 5680.0 C57
2020-09-24 10:14:11 S 00 48 16.253 -04 18 05.15 V C57
2020-09-24 10:14:11 s 1 +174957.83 4 +118527.32 4840.0 C57
2020-09-24 10:24:11 S 00 48 15.581 -04 18 10.66 V C57
2020-09-24 10:24:11 s 1 +175001.29 3 +119406.71 2590.0 C57
2020-09-24 10:34:11 S 00 48 14.378 -04 18 15.62 V C57
2020-09-24 10:34:11 s 1 +175042.12 0 +120284.30 8930.0 C57
2020-09-24 10:44:11 S 00 48 13.394 -04 18 18.86 V C57
2020-09-24 10:44:11 s 1 +175080.33 4 +121160.11 3870.0 C57
2020-09-24 10:54:11 S 00 48 12.686 -04 18 24.16 V C57
2020-09-24 10:54:11 s 1 +175115.95 5 +122034.12 7430.0 C57
2020-09-24 11:04:11 S 00 48 11.330 -04 18 32.00 V C57
2020-09-24 11:04:11 s 1 +175149.00 0 +122906.33 9620.0 C57
2020-09-24 11:14:11 S 00 48 10.699 -04 18 35.82 V C57
2020-09-24 11:14:11 s 1 +175179.48 9 +123776.76 440.0 C57
2020-09-24 11:24:11 S 00 48 09.677 -04 18 45.43 V C57
2020-09-24 11:24:11 s 1 +175207.43 9 +124645.39 9910.0 C57
2020-09-24 11:34:11 S 00 48 08.453 -04 18 47.20 V C57
2020-09-24 11:34:11 s 1 +175232.86 9 +125512.23 8040.0 C57
2020-09-24 11:44:11 S 00 48 07.214 -04 18 57.31 V C57
2020-09-24 11:44:11 s 1 +175255.79 6 +126377.29 4840.0 C57
2020-09-24 11:54:11 S 00 48 06.456 -04 18 57.92 V C57
2020-09-24 11:54:11 s 1 +175276.24 0 +127240.55 320.0 C57
2020-09-24 12:14:11 S 00 48 04.603 -04 19 08.62 V C57
2020-09-24 12:14:11 s 1 +175309.74 2 +128961.71 7340.0 C57
2020-09-24 12:34:11 S 00 48 02.945 -04 19 18.98 V C57
2020-09-24 12:34:11 s 1 +175333.51 6 +130675.71 9200.0 C57
2020-09-24 13:04:11 S 00 47 59.806 -04 19 37.81 V C57
2020-09-24 13:04:11 s 1 +175351.23 4 +133233.33 2460.0 C57
2020-09-24 13:14:11 S 00 47 58.757 -04 19 39.97 V C57
2020-09-24 13:14:11 s 1 +175352.42 2 +134082.31 7710.0 C57
2020-09-24 13:24:11 S 00 47 57.854 -04 19 47.24 V C57
2020-09-24 13:24:11 s 1 +175351.27 8 +134929.50 1730.0 C57
2020-09-24 13:44:11 S 00 47 55.670 -04 19 59.52 V C57
2020-09-24 13:44:11 s 1 +175342.06 0 +136618.55 6090.0 C57
2020-09-24 13:54:11 S 00 47 54.881 -04 20 02.94 V C57
2020-09-24 13:54:11 s 1 +175334.01 8 +137460.41 6460.0 C57
2020-09-24 14:04:11 S 00 47 53.657 -04 20 06.94 V C57
2020-09-24 14:04:11 s 1 +175323.70 8 +138300.49 5620.0 C57
2020-09-24 14:14:11 S 00 47 53.011 -04 20 13.24 V C57
2020-09-24 14:14:11 s 1 +175311.14 6 +139138.80 3600.0 C57
2020-09-24 14:24:11 S 00 47 52.042 -04 20 19.46 V C57
2020-09-24 14:24:11 s 1 +175296.34 8 +139975.33 390.0 C57
2020-09-24 14:34:11 S 00 47 51.024 -04 20 22.67 V C57
2020-09-24 14:34:11 s 1 +175279.32 9 +140810.09 6010.0 C57
2020-09-24 14:54:11 S 00 47 48.955 -04 20 35.84 V C57
2020-09-24 14:54:11 s 1 +175238.68 8 +142474.30 3770.0 C57
2020-09-24 15:04:11 S 00 47 47.954 -04 20 39.84 V C57
2020-09-24 15:04:11 s 1 +175215.09 6 +143303.75 5920.0 C57
2020-09-24 15:14:11 S 00 47 46.927 -04 20 46.97 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)