3122 Florence (1981 ET3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4232384908 ± 1.63e-09
Semi-major axis (a)1.7688776780 AU ± 6.61e-10
Inclination (i)22.14276824° ± 7.42e-07
Long. of Asc. Node (Ω)336.04036925° ± 3.76e-07
Arg. of Perihelion (ω)27.88474334° ± 1.08e-06
Mean Anomaly (M)168.25752840° ± 7.68e-07
Mean Motion (n)0.4189532598°/day ± 2.35e-10
Perihelion dist (q)1.02022056 AU ± 2.90e-09
Aphelion dist (Q)2.51753480 AU ± 3.03e-09
Orbital Period2.35259247 yr ± 1.32e-09
Physical Parameters
H (abs. magnitude)14.08
G (slope)0.15
Alternative Designations

1983 CN1

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.362″
Uncertainty0
Orbit TypeAmor
MOID0.042563 AU
Observations Used9413
Radar Obs Used6
Gaia Obs Used88
Oppositions22
Arc Total1979-2026
First Observation Used1979-03-09
Last Observation Used2026-04-05
Observations (12205)
Date Type RA Dec Mag Band Observatory
2021-03-22 11:44:04 s 1 +161335.75 5 +195824.71 4870.0 C57
2021-03-22 11:54:04 S 11 29 08.669 -13 13 28.67 V C57
2021-03-22 11:54:04 s 1 +161185.59 0 +196523.61 7200.0 C57
2021-03-22 12:04:04 S 11 29 08.249 -13 13 23.20 V C57
2021-03-22 12:04:04 s 1 +161034.04 7 +197220.82 6750.0 C57
2021-03-22 12:14:04 S 11 29 07.277 -13 13 27.66 V C57
2021-03-22 12:14:04 s 1 +160881.13 4 +197916.36 3550.0 C57
2021-03-22 12:24:04 S 11 29 06.924 -13 13 25.28 V C57
2021-03-22 12:24:04 s 1 +160726.85 8 +198610.22 7600.0 C57
2021-03-22 12:34:04 S 11 29 06.418 -13 13 21.72 V C57
2021-03-22 12:34:04 s 1 +160571.22 8 +199302.40 8930.0 C57
2021-03-22 12:44:04 S 11 29 05.755 -13 13 22.80 V C57
2021-03-22 12:44:04 s 1 +160414.25 3 +199992.90 7540.0 C57
2021-03-22 12:54:04 S 11 29 05.150 -13 13 20.93 V C57
2021-03-22 12:54:04 s 1 +160255.97 0 +200681.57 4000.0 C57
2021-03-22 13:04:04 S 11 29 04.745 -13 13 19.34 V C57
2021-03-22 13:04:04 s 1 +160097.69 1 +201361.13 780.0 C57
2021-03-22 13:14:04 S 11 29 04.200 -13 13 17.80 V C57
2021-03-22 13:14:04 s 1 +159936.65 8 +202047.05 110.0 C57
2021-03-22 13:24:04 S 11 29 03.691 -13 13 15.64 V C57
2021-03-22 13:24:04 s 1 +159774.38 3 +202730.90 8030.0 C57
2021-03-22 13:34:04 S 11 29 03.226 -13 13 11.17 V C57
2021-03-22 13:34:04 s 1 +159610.80 1 +203413.09 3320.0 C57
2021-03-22 13:54:04 S 11 29 01.954 -13 13 10.27 V C57
2021-03-22 13:54:04 s 1 +159279.75 1 +204772.51 6070.0 C57
2021-03-22 14:04:04 S 11 29 01.109 -13 13 13.22 V C57
2021-03-22 14:04:04 s 1 +159112.29 6 +205449.73 3550.0 C57
2021-03-22 14:14:04 S 11 29 00.602 -13 13 08.33 V C57
2021-03-22 14:14:04 s 1 +158943.56 6 +206125.31 8460.0 C57
2021-03-22 14:24:04 S 11 29 00.029 -13 13 10.88 V C57
2021-03-22 14:24:04 s 1 +158773.56 8 +206799.24 800.0 C57
2021-03-22 14:44:04 S 11 28 58.966 -13 13 04.98 V C57
2021-03-22 14:44:04 s 1 +158429.79 6 +208142.16 7880.0 C57
2021-03-22 14:54:04 S 11 28 58.238 -13 13 05.81 V C57
2021-03-22 14:54:04 s 1 +158256.03 7 +208811.16 2630.0 C57
2021-03-22 15:04:04 S 11 28 57.866 -13 13 05.16 V C57
2021-03-22 15:04:04 s 1 +158081.04 0 +209478.52 4880.0 C57
2021-03-22 15:54:04 S 11 28 54.931 -13 12 58.97 V C57
2021-03-22 15:54:04 s 1 +157187.72 1 +212790.86 9100.0 C57
2021-03-22 16:04:04 S 11 28 54.266 -13 12 53.89 V C57
2021-03-22 16:04:04 s 1 +157005.44 1 +213448.45 6630.0 C57
2021-03-22 16:14:04 S 11 28 53.642 -13 12 55.58 V C57
2021-03-22 16:14:04 s 1 +156821.97 1 +214104.43 1750.0 C57
2021-03-22 16:24:04 S 11 28 53.066 -13 12 53.32 V C57
2021-03-22 16:24:04 s 1 +156637.31 9 +214758.78 4480.0 C57
2021-03-22 16:34:04 S 11 28 52.692 -13 12 50.18 V C57
2021-03-22 16:34:04 s 1 +156451.49 1 +215411.52 4830.0 C57
2021-03-22 16:44:04 S 11 28 51.823 -13 12 46.87 V C57
2021-03-22 16:44:04 s 1 +156264.49 5 +216062.65 2820.0 C57
2021-03-22 16:54:04 S 11 28 51.127 -13 12 48.28 V C57
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-08-29 07:20:00 53416156 10 us 8560 -14 -14
2017-08-30 08:30:00 50057919.82 3 us 8560 -14 -14
2017-09-01 08:30:00 47128765.14 3 us 8560 -14 -14
2017-09-06 10:10:00 60804814.037 5 us 8560 -14 -14
2017-09-08 07:00:00 70833313.23 3 us 8560 -14 -14
2017-09-13 08:00:00 102972248.16 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)