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 18:24:11 s 1 -150302.37 8 +347235.42 3540.0 C57
2020-10-01 18:34:11 S 00 30 08.035 -06 00 50.08 V C57
2020-10-01 18:34:11 s 1 -150606.25 8 +346934.56 4140.0 C57
2020-10-01 18:44:11 S 00 30 06.929 -06 00 56.70 V C57
2020-10-01 18:44:11 s 1 -150909.74 7 +346632.78 4420.0 C57
2020-10-01 18:54:11 S 00 30 05.712 -06 01 02.42 V C57
2020-10-01 18:54:11 s 1 -151212.84 6 +346330.08 4350.0 C57
2020-10-01 19:04:11 S 00 30 04.764 -06 01 04.69 V C57
2020-10-01 19:04:11 s 1 -151515.55 1 +346026.44 3950.0 C57
2020-10-01 19:14:11 S 00 30 03.586 -06 01 13.51 V C57
2020-10-01 19:14:11 s 1 -151817.86 2 +345721.87 3220.0 C57
2020-10-01 19:24:11 S 00 30 02.441 -06 01 18.55 V C57
2020-10-01 19:24:11 s 1 -152119.77 7 +345416.38 2140.0 C57
2020-10-01 19:34:11 S 00 30 01.666 -06 01 28.42 V C57
2020-10-01 19:34:11 s 1 -152421.29 6 +345109.95 730.0 C57
2020-10-01 19:44:11 S 00 30 00.482 -06 01 31.04 V C57
2020-10-01 19:44:11 s 1 -152722.41 7 +344802.60 8980.0 C57
2020-10-01 19:54:11 S 00 29 59.321 -06 01 38.46 V C57
2020-10-01 19:54:11 s 1 -153023.13 8 +344494.31 6880.0 C57
2020-10-01 20:04:11 S 00 29 58.330 -06 01 45.59 V C57
2020-10-01 20:04:11 s 1 -153323.45 9 +344185.09 4440.0 C57
2020-10-01 20:14:11 S 00 29 57.353 -06 01 51.78 V C57
2020-10-01 20:14:11 s 1 -153623.37 8 +343874.95 1660.0 C57
2020-10-01 20:24:11 S 00 29 56.162 -06 01 56.46 V C57
2020-10-01 20:24:11 s 1 -153922.89 3 +343563.87 8540.0 C57
2020-10-01 20:34:11 S 00 29 55.044 -06 02 00.24 V C57
2020-10-01 20:34:11 s 1 -154222.00 4 +343251.86 5070.0 C57
2020-10-01 20:44:11 S 00 29 53.909 -06 02 09.46 V C57
2020-10-01 20:44:11 s 1 -154520.70 9 +342938.92 1260.0 C57
2020-10-01 20:54:11 S 00 29 52.838 -06 02 15.50 V C57
2020-10-01 20:54:11 s 1 -154819.00 6 +342625.04 7100.0 C57
2020-10-01 21:04:11 S 00 29 51.658 -06 02 21.73 V C57
2020-10-01 21:04:11 s 1 -155116.89 5 +342310.23 2590.0 C57
2020-10-01 21:14:11 S 00 29 50.702 -06 02 27.78 V C57
2020-10-01 21:14:11 s 1 -155414.37 3 +341994.49 7740.0 C57
2020-10-01 21:24:11 S 00 29 49.752 -06 02 35.30 V C57
2020-10-01 21:24:11 s 1 -155711.44 0 +341677.82 2530.0 C57
2020-10-01 21:34:11 S 00 29 48.415 -06 02 37.72 V C57
2020-10-01 21:34:11 s 1 -156008.09 5 +341360.21 6980.0 C57
2020-10-01 21:44:11 S 00 29 47.378 -06 02 44.74 V C57
2020-10-01 21:44:11 s 1 -156304.33 5 +341041.66 1070.0 C57
2020-10-01 21:54:11 S 00 29 46.418 -06 02 52.48 V C57
2020-10-01 21:54:11 s 1 -156600.16 0 +340722.19 4820.0 C57
2020-10-01 22:04:11 S 00 29 45.185 -06 03 03.46 V C57
2020-10-01 22:04:11 s 1 -156895.56 8 +340401.77 8210.0 C57
2020-10-01 22:14:11 S 00 29 44.222 -06 03 05.94 V C57
2020-10-01 22:14:11 s 1 -157190.55 8 +340080.42 1240.0 C57
2020-10-01 22:24:11 S 00 29 43.058 -06 03 11.74 V C57
2020-10-01 22:24:11 s 1 -157485.12 8 +339758.14 3920.0 C57
2020-10-01 22:34:11 S 00 29 41.990 -06 03 21.06 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)