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
2021-03-10 17:44:05 S 11 47 02.549 -13 39 27.54 V C57
2021-03-10 17:44:05 s 1 +104619.92 9 +301406.39 5460.0 C57
2021-03-10 17:54:05 S 11 47 01.704 -13 39 27.11 V C57
2021-03-10 17:54:05 s 1 +104308.00 5 +301828.10 9080.0 C57
2021-03-10 18:04:05 S 11 47 01.373 -13 39 27.25 V C57
2021-03-10 18:04:05 s 1 +103995.61 8 +302248.48 1680.0 C57
2021-03-10 18:14:05 S 11 47 00.552 -13 39 24.23 V C57
2021-03-10 18:14:05 s 1 +103682.77 2 +302667.55 3250.0 C57
2021-03-10 18:24:05 S 11 46 59.974 -13 39 27.04 V C57
2021-03-10 18:24:05 s 1 +103369.46 9 +303085.29 3800.0 C57
2021-03-10 18:44:05 S 11 46 58.846 -13 39 28.87 V C57
2021-03-10 18:44:05 s 1 +102741.50 3 +303916.83 1850.0 C57
2021-03-10 18:54:05 S 11 46 58.476 -13 39 23.18 V C57
2021-03-10 18:54:05 s 1 +102426.84 4 +304330.62 9370.0 C57
2021-03-10 19:04:05 S 11 46 57.888 -13 39 28.37 V C57
2021-03-10 19:04:05 s 1 +102111.73 8 +304743.10 5880.0 C57
2021-03-10 19:14:05 S 11 46 57.026 -13 39 25.96 V C57
2021-03-10 19:14:05 s 1 +101796.18 8 +305154.28 1400.0 C57
2021-03-10 19:24:05 S 11 46 56.321 -13 39 26.14 V C57
2021-03-10 19:24:05 s 1 +101480.19 6 +305564.14 5930.0 C57
2021-03-10 19:34:05 S 11 46 55.706 -13 39 24.23 V C57
2021-03-10 19:34:05 s 1 +101163.76 5 +305972.69 9470.0 C57
2021-03-10 19:44:05 S 11 46 54.984 -13 39 27.00 V C57
2021-03-10 19:44:05 s 1 +100846.89 7 +306379.94 2030.0 C57
2021-03-10 20:04:05 S 11 46 54.154 -13 39 23.94 V C57
2021-03-10 20:04:05 s 1 +100211.86 0 +307190.53 4230.0 C57
2021-03-10 20:14:05 S 11 46 53.347 -13 39 24.55 V C57
2021-03-10 20:14:05 s 1 +99893.695 0 +307593.88 3880.0 C57
2021-03-10 20:24:05 S 11 46 52.534 -13 39 25.78 V C57
2021-03-10 20:24:05 s 1 +99575.104 0 +307995.92 2570.0 C57
2021-03-10 20:54:05 S 11 46 51.110 -13 39 24.01 V C57
2021-03-10 20:54:05 s 1 +98616.791 0 +309194.27 2920.0 C57
2021-03-10 21:14:05 S 11 46 49.862 -13 39 22.10 V C57
2021-03-10 21:14:05 s 1 +97975.824 0 +309986.71 1780.0 C57
2021-03-10 21:54:05 S 11 46 47.448 -13 39 19.80 V C57
2021-03-10 21:54:05 s 1 +96688.954 0 +311556.13 8350.0 C57
2021-03-10 22:04:05 S 11 46 46.730 -13 39 19.44 V C57
2021-03-10 22:04:05 s 1 +96366.221 0 +311945.27 7700.0 C57
2021-03-10 22:14:05 S 11 46 46.250 -13 39 22.21 V C57
2021-03-10 22:14:05 s 1 +96043.088 0 +312333.13 6140.0 C57
2021-03-10 22:24:05 S 11 46 45.533 -13 39 17.53 V C57
2021-03-10 22:24:05 s 1 +95719.555 0 +312719.71 3680.0 C57
2021-03-10 22:34:05 S 11 46 45.127 -13 39 16.45 V C57
2021-03-10 22:34:05 s 1 +95395.626 0 +313105.02 320.0 C57
2021-03-10 22:44:05 S 11 46 44.285 -13 39 17.93 V C57
2021-03-10 22:44:05 s 1 +95071.302 0 +313489.04 6070.0 C57
2021-03-10 23:24:05 S 11 46 42.137 -13 39 14.94 V C57
2021-03-10 23:24:05 s 1 +93770.107 0 +315012.41 210.0 C57
2021-03-10 23:34:05 S 11 46 41.335 -13 39 15.95 V C57
2021-03-10 23:34:05 s 1 +93443.845 0 +315390.08 1550.0 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)