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
2021-03-24 21:34:04 s 1 +61397.243 0 +351884.79 1200.0 C57
2021-03-24 21:38:49 C 11 25 22.14 -13 06 05.0 V G17
2021-03-24 21:44:04 S 11 25 43.562 -13 05 47.08 V C57
2021-03-24 21:44:04 s 1 +61034.245 0 +352116.23 2930.0 C57
2021-03-24 21:48:54 C 11 25 21.53 -13 06 03.5 V G17
2021-03-24 21:54:04 S 11 25 42.785 -13 05 43.80 V C57
2021-03-24 21:54:04 s 1 +60671.055 0 +352346.56 4220.0 C57
2021-03-24 21:58:59 C 11 25 20.92 -13 06 01.7 V G17
2021-03-24 22:04:04 S 11 25 42.650 -13 05 40.49 V C57
2021-03-24 22:04:04 s 1 +60307.674 0 +352575.76 5100.0 C57
2021-03-24 22:14:04 S 11 25 41.916 -13 05 43.69 V C57
2021-03-24 22:14:04 s 1 +59944.105 0 +352803.84 5550.0 C57
2021-03-24 22:24:04 S 11 25 41.357 -13 05 41.17 V C57
2021-03-24 22:24:04 s 1 +59580.347 0 +353030.80 5580.0 C57
2021-03-24 22:34:04 S 11 25 40.637 -13 05 40.27 V C57
2021-03-24 22:34:04 s 1 +59216.404 0 +353256.64 5200.0 C57
2021-03-24 22:44:04 S 11 25 40.075 -13 05 35.88 V C57
2021-03-24 22:44:04 s 1 +58852.276 0 +353481.37 4400.0 C57
2021-03-24 22:54:04 S 11 25 39.473 -13 05 39.62 V C57
2021-03-24 22:54:04 s 1 +58487.965 0 +353704.98 3200.0 C57
2021-03-24 23:04:04 S 11 25 38.690 -13 05 36.02 V C57
2021-03-24 23:04:04 s 1 +58123.472 0 +353927.48 1580.0 C57
2021-03-24 23:14:04 S 11 25 38.381 -13 05 33.11 V C57
2021-03-24 23:14:04 s 1 +57758.798 0 +354148.86 9560.0 C57
2021-03-24 23:24:04 S 11 25 37.807 -13 05 31.49 V C57
2021-03-24 23:24:04 s 1 +57393.945 0 +354369.12 7140.0 C57
2021-03-24 23:34:04 S 11 25 36.854 -13 05 32.96 V C57
2021-03-24 23:34:04 s 1 +57028.914 0 +354588.27 4330.0 C57
2021-03-24 23:44:04 S 11 25 36.715 -13 05 29.04 V C57
2021-03-24 23:44:04 s 1 +56663.707 0 +354806.31 1110.0 C57
2021-03-24 23:54:04 S 11 25 35.765 -13 05 31.92 V C57
2021-03-24 23:54:04 s 1 +56298.325 0 +355023.23 7500.0 C57
2021-03-25 00:04:04 S 11 25 35.177 -13 05 29.18 V C57
2021-03-25 00:04:04 s 1 +55932.769 0 +355239.05 3500.0 C57
2021-03-25 00:14:04 S 11 25 34.606 -13 05 26.09 V C57
2021-03-25 00:14:04 s 1 +55567.041 0 +355453.75 9120.0 C57
2021-03-25 00:24:04 S 11 25 34.253 -13 05 26.12 V C57
2021-03-25 00:24:04 s 1 +55201.142 0 +355667.35 4350.0 C57
2021-03-25 00:34:04 S 11 25 33.286 -13 05 27.89 V C57
2021-03-25 00:34:04 s 1 +54835.073 0 +355879.83 9190.0 C57
2021-03-25 00:44:04 S 11 25 32.614 -13 05 26.16 V C57
2021-03-25 00:44:04 s 1 +54468.837 0 +356091.21 3660.0 C57
2021-03-25 00:54:04 S 11 25 32.198 -13 05 21.77 V C57
2021-03-25 00:54:04 s 1 +54102.433 0 +356301.47 7750.0 C57
2021-03-25 01:14:04 S 11 25 30.869 -13 05 17.05 V C57
2021-03-25 01:14:04 s 1 +53369.131 0 +356718.69 4810.0 C57
2021-03-25 01:24:04 S 11 25 30.158 -13 05 15.00 V C57
2021-03-25 01:24:04 s 1 +53002.235 0 +356925.64 7790.0 C57
2021-03-25 01:34:04 S 11 25 29.801 -13 05 17.52 V C57
2021-03-25 01:34:04 s 1 +52635.177 0 +357131.48 400.0 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)