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 21:44:11 s 1 +172643.82 4 +175053.62 8900.0 C57
2020-09-24 22:14:11 S 00 47 05.592 -04 24 33.88 V C57
2020-09-24 22:14:11 s 1 +172334.67 4 +177324.46 810.0 C57
2020-09-24 22:24:11 S 00 47 04.543 -04 24 39.38 V C57
2020-09-24 22:24:11 s 1 +172228.34 8 +178078.05 9760.0 C57
2020-09-24 22:34:11 S 00 47 03.840 -04 24 46.58 V C57
2020-09-24 22:34:11 s 1 +172120.40 0 +178829.97 7870.0 C57
2020-09-24 22:44:11 S 00 47 03.118 -04 24 51.70 V C57
2020-09-24 22:44:11 s 1 +172010.84 2 +179580.21 5140.0 C57
2020-09-24 22:54:11 S 00 47 01.730 -04 24 56.88 V C57
2020-09-24 22:54:11 s 1 +171899.68 3 +180328.78 1590.0 C57
2020-09-24 23:04:11 S 00 47 00.701 -04 25 03.65 V C57
2020-09-24 23:04:11 s 1 +171786.93 4 +181075.69 7220.0 C57
2020-09-24 23:14:11 S 00 46 59.846 -04 25 10.92 V C57
2020-09-24 23:14:11 s 1 +171672.60 3 +181820.93 2040.0 C57
2020-09-24 23:24:11 S 00 46 58.944 -04 25 13.73 V C57
2020-09-24 23:24:11 s 1 +171556.70 0 +182564.50 6040.0 C57
2020-09-24 23:34:11 S 00 46 57.758 -04 25 21.07 V C57
2020-09-24 23:34:11 s 1 +171439.23 7 +183306.42 9240.0 C57
2020-09-24 23:44:11 S 00 46 56.899 -04 25 24.67 V C57
2020-09-24 23:44:11 s 1 +171320.22 1 +184046.68 1640.0 C57
2020-09-24 23:54:11 S 00 46 55.985 -04 25 31.94 V C57
2020-09-24 23:54:11 s 1 +171199.66 3 +184785.28 3250.0 C57
2020-09-25 00:04:11 S 00 46 54.742 -04 25 34.82 V C57
2020-09-25 00:04:11 s 1 +171077.57 2 +185522.23 4070.0 C57
2020-09-25 00:14:11 S 00 46 53.810 -04 25 41.74 V C57
2020-09-25 00:14:11 s 1 +170953.95 7 +186257.52 4100.0 C57
2020-09-25 00:24:11 S 00 46 52.740 -04 25 50.09 V C57
2020-09-25 00:24:11 s 1 +170828.82 9 +186991.17 3360.0 C57
2020-09-25 00:34:11 S 00 46 52.049 -04 25 52.21 V C57
2020-09-25 00:34:11 s 1 +170702.19 5 +187723.18 1840.0 C57
2020-09-25 00:44:11 S 00 46 50.921 -04 25 57.18 V C57
2020-09-25 00:44:11 s 1 +170574.06 6 +188453.53 9560.0 C57
2020-09-25 00:54:11 S 00 46 50.066 -04 26 03.19 V C57
2020-09-25 00:54:11 s 1 +170444.45 0 +189182.25 6510.0 C57
2020-09-25 01:04:11 S 00 46 48.943 -04 26 06.65 V C57
2020-09-25 01:04:11 s 1 +170313.35 7 +189909.33 2700.0 C57
2020-09-25 03:14:11 S 00 46 36.173 -04 27 20.48 V C57
2020-09-25 03:14:11 s 1 +168478.67 5 +199213.32 6460.0 C57
2020-09-25 03:34:11 S 00 46 34.219 -04 27 28.66 V C57
2020-09-25 03:34:11 s 1 +168175.58 9 +200620.50 7940.0 C57
2020-09-25 03:44:11 S 00 46 33.214 -04 27 34.42 V C57
2020-09-25 03:44:11 s 1 +168022.02 9 +201321.68 2650.0 C57
2020-09-25 03:54:11 S 00 46 32.141 -04 27 41.76 V C57
2020-09-25 03:54:11 s 1 +167867.13 5 +202021.27 6690.0 C57
2020-09-25 04:04:11 S 00 46 31.308 -04 27 46.76 V C57
2020-09-25 04:04:11 s 1 +167710.91 5 +202719.27 50.0 C57
2020-09-25 04:14:11 S 00 46 30.377 -04 27 46.73 V C57
2020-09-25 04:14:11 s 1 +167553.37 7 +203415.67 2740.0 C57
2020-09-25 04:24:11 S 00 46 29.309 -04 28 01.70 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)