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
2020-09-26 04:54:11 s 1 +133068.53 0 +290194.44 6520.0 C57
2020-09-26 05:04:11 S 00 44 02.201 -04 41 39.70 V C57
2020-09-26 05:04:11 s 1 +132777.90 7 +290678.59 4040.0 C57
2020-09-26 05:14:11 S 00 44 01.205 -04 41 48.26 V C57
2020-09-26 05:14:11 s 1 +132486.70 0 +291161.47 1280.0 C57
2020-09-26 05:24:11 S 00 44 00.307 -04 41 53.48 V C57
2020-09-26 05:24:11 s 1 +132194.91 0 +291643.07 8250.0 C57
2020-09-26 05:34:11 S 00 43 59.064 -04 41 56.62 V C57
2020-09-26 05:34:11 s 1 +131902.54 3 +292123.40 4960.0 C57
2020-09-26 05:44:11 S 00 43 58.205 -04 42 03.60 V C57
2020-09-26 05:44:11 s 1 +131609.60 0 +292602.46 1410.0 C57
2020-09-26 05:54:11 S 00 43 56.981 -04 42 08.32 V C57
2020-09-26 05:54:11 s 1 +131316.08 5 +293080.24 7590.0 C57
2020-09-26 06:04:11 S 00 43 56.014 -04 42 15.91 V C57
2020-09-26 06:04:11 s 1 +131022.00 0 +293556.76 3510.0 C57
2020-09-26 06:14:11 S 00 43 55.042 -04 42 21.20 V C57
2020-09-26 06:14:11 s 1 +130727.34 8 +294032.01 9170.0 C57
2020-09-26 06:54:11 S 00 43 51.187 -04 42 40.93 V C57
2020-09-26 06:54:11 s 1 +129543.13 3 +295920.39 9260.0 C57
2020-09-26 07:04:11 S 00 43 50.304 -04 42 50.22 V C57
2020-09-26 07:04:11 s 1 +129245.69 2 +296389.33 3650.0 C57
2020-09-26 07:14:11 S 00 43 48.982 -04 42 55.19 V C57
2020-09-26 07:14:11 s 1 +128947.70 1 +296857.01 7790.0 C57
2020-09-26 07:24:11 S 00 43 48.293 -04 43 00.12 V C57
2020-09-26 07:24:11 s 1 +128649.16 3 +297323.45 1680.0 C57
2020-09-26 07:34:11 S 00 43 47.270 -04 43 07.68 V C57
2020-09-26 07:34:11 s 1 +128350.08 2 +297788.62 5320.0 C57
2020-09-26 07:44:11 S 00 43 46.152 -04 43 12.04 V C57
2020-09-26 07:44:11 s 1 +128050.46 0 +298252.55 8720.0 C57
2020-09-26 07:54:11 S 00 43 45.382 -04 43 18.01 V C57
2020-09-26 07:54:11 s 1 +127750.29 9 +298715.22 1880.0 C57
2020-09-26 08:04:11 S 00 43 43.918 -04 43 22.76 V C57
2020-09-26 08:04:11 s 1 +127449.60 3 +299176.65 4790.0 C57
2020-09-26 08:14:11 S 00 43 43.339 -04 43 28.42 V C57
2020-09-26 08:14:11 s 1 +127148.37 4 +299636.82 7460.0 C57
2020-09-26 08:24:11 S 00 43 42.206 -04 43 33.42 V C57
2020-09-26 08:24:11 s 1 +126846.61 6 +300095.75 9900.0 C57
2020-09-26 08:34:11 S 00 43 41.129 -04 43 37.63 V C57
2020-09-26 08:34:11 s 1 +126544.33 0 +300553.44 2090.0 C57
2020-09-26 08:44:11 S 00 43 40.303 -04 43 42.17 V C57
2020-09-26 08:44:11 s 1 +126241.51 9 +301009.89 4050.0 C57
2020-09-26 08:54:11 S 00 43 39.259 -04 43 51.31 V C57
2020-09-26 08:54:11 s 1 +125938.18 6 +301465.09 5780.0 C57
2020-09-26 09:04:11 S 00 43 38.074 -04 43 57.29 V C57
2020-09-26 09:04:11 s 1 +125634.33 5 +301919.06 7270.0 C57
2020-09-26 09:14:11 S 00 43 37.099 -04 44 02.62 V C57
2020-09-26 09:14:11 s 1 +125329.96 6 +302371.78 8530.0 C57
2020-09-26 09:24:11 S 00 43 36.204 -04 44 05.24 V C57
2020-09-26 09:24:11 s 1 +125025.08 4 +302823.27 9560.0 C57
2020-09-26 09:34:11 S 00 43 35.174 -04 44 12.84 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)