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 14:14:11 s 1 -142582.27 5 +354456.08 2170.0 C57
2020-10-01 14:24:11 S 00 30 35.124 -05 58 10.99 V C57
2020-10-01 14:24:11 s 1 -142895.49 9 +354178.32 860.0 C57
2020-10-01 14:34:11 S 00 30 33.972 -05 58 19.20 V C57
2020-10-01 14:34:11 s 1 -143208.36 5 +353899.65 9240.0 C57
2020-10-01 14:44:11 S 00 30 32.796 -05 58 24.28 V C57
2020-10-01 14:44:11 s 1 -143520.87 1 +353620.05 7300.0 C57
2020-10-01 14:54:11 S 00 30 31.918 -05 58 32.16 V C57
2020-10-01 14:54:11 s 1 -143833.01 6 +353339.53 5050.0 C57
2020-10-01 15:04:11 S 00 30 30.773 -05 58 39.18 V C57
2020-10-01 15:04:11 s 1 -144144.79 7 +353058.09 2480.0 C57
2020-10-01 15:14:11 S 00 30 29.772 -05 58 44.26 V C57
2020-10-01 15:14:11 s 1 -144456.21 5 +352775.73 9590.0 C57
2020-10-01 15:24:11 S 00 30 28.404 -05 58 49.22 V C57
2020-10-01 15:24:11 s 1 -144767.26 8 +352492.45 6390.0 C57
2020-10-01 15:34:11 S 00 30 27.374 -05 58 57.40 V C57
2020-10-01 15:34:11 s 1 -145077.95 4 +352208.24 2870.0 C57
2020-10-01 15:44:11 S 00 30 26.290 -05 59 03.70 V C57
2020-10-01 15:44:11 s 1 -145388.27 3 +351923.12 9030.0 C57
2020-10-01 15:54:11 S 00 30 25.411 -05 59 11.00 V C57
2020-10-01 15:54:11 s 1 -145698.22 4 +351637.07 4870.0 C57
2020-10-01 16:04:11 S 00 30 24.451 -05 59 13.99 V C57
2020-10-01 16:04:11 s 1 -146007.80 4 +351350.09 390.0 C57
2020-10-01 16:14:11 S 00 30 23.210 -05 59 18.10 V C57
2020-10-01 16:14:11 s 1 -146317.01 3 +351062.20 5590.0 C57
2020-10-01 16:24:11 S 00 30 22.097 -05 59 27.60 V C57
2020-10-01 16:24:11 s 1 -146625.85 0 +350773.38 470.0 C57
2020-10-01 16:34:11 S 00 30 20.962 -05 59 33.83 V C57
2020-10-01 16:34:11 s 1 -146934.31 2 +350483.64 5020.0 C57
2020-10-01 16:44:11 S 00 30 19.903 -05 59 38.26 V C57
2020-10-01 16:44:11 s 1 -147242.40 0 +350192.97 9250.0 C57
2020-10-01 16:54:11 S 00 30 18.862 -05 59 44.45 V C57
2020-10-01 16:54:11 s 1 -147550.11 2 +349901.38 3160.0 C57
2020-10-01 17:04:11 S 00 30 17.659 -05 59 51.68 V C57
2020-10-01 17:04:11 s 1 -147857.44 6 +349608.87 6740.0 C57
2020-10-01 17:14:11 S 00 30 16.721 -05 59 59.06 V C57
2020-10-01 17:14:11 s 1 -148164.40 1 +349315.43 9990.0 C57
2020-10-01 17:24:11 S 00 30 15.598 -06 00 02.77 V C57
2020-10-01 17:24:11 s 1 -148470.97 7 +349021.06 2920.0 C57
2020-10-01 17:34:11 S 00 30 14.671 -06 00 11.74 V C57
2020-10-01 17:34:11 s 1 -148777.17 1 +348725.77 5510.0 C57
2020-10-01 17:44:11 S 00 30 13.507 -06 00 17.68 V C57
2020-10-01 17:44:11 s 1 -149082.98 3 +348429.55 7780.0 C57
2020-10-01 17:54:11 S 00 30 12.362 -06 00 20.02 V C57
2020-10-01 17:54:11 s 1 -149388.41 0 +348132.41 9720.0 C57
2020-10-01 18:04:11 S 00 30 11.326 -06 00 29.63 V C57
2020-10-01 18:04:11 s 1 -149693.45 3 +347834.34 1320.0 C57
2020-10-01 18:14:11 S 00 30 10.166 -06 00 36.25 V C57
2020-10-01 18:14:11 s 1 -149998.11 0 +347535.34 2600.0 C57
2020-10-01 18:24:11 S 00 30 09.094 -06 00 38.95 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)