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 16:54:04 s 1 +71477.445 0 +344945.92 7480.0 C57
2021-03-24 17:04:04 S 11 26 00.415 -13 06 26.14 V C57
2021-03-24 17:04:04 s 1 +71120.410 0 +345209.09 2370.0 C57
2021-03-24 17:14:04 S 11 25 59.770 -13 06 25.09 V C57
2021-03-24 17:14:04 s 1 +70763.141 0 +345471.11 6750.0 C57
2021-03-24 17:24:04 S 11 25 59.304 -13 06 25.16 V C57
2021-03-24 17:24:04 s 1 +70405.641 0 +345731.99 630.0 C57
2021-03-24 17:34:04 S 11 25 58.450 -13 06 20.27 V C57
2021-03-24 17:34:04 s 1 +70047.910 0 +345991.72 3990.0 C57
2021-03-24 17:44:04 S 11 25 58.044 -13 06 22.18 V C57
2021-03-24 17:44:04 s 1 +69689.951 0 +346250.31 6860.0 C57
2021-03-24 18:04:04 S 11 25 57.110 -13 06 14.83 V C57
2021-03-24 18:04:04 s 1 +68973.353 0 +346764.08 1090.0 C57
2021-03-24 18:14:04 S 11 25 56.201 -13 06 17.06 V C57
2021-03-24 18:14:04 s 1 +68614.717 0 +347019.25 2470.0 C57
2021-03-24 18:24:04 S 11 25 55.550 -13 06 14.65 V C57
2021-03-24 18:24:04 s 1 +68255.859 0 +347273.29 3360.0 C57
2021-03-24 18:34:04 S 11 25 55.032 -13 06 14.98 V C57
2021-03-24 18:34:04 s 1 +67896.779 0 +347526.19 3760.0 C57
2021-03-24 18:44:04 S 11 25 54.403 -13 06 10.51 V C57
2021-03-24 18:44:04 s 1 +67537.480 0 +347777.95 3680.0 C57
2021-03-24 18:54:04 S 11 25 53.834 -13 06 11.20 V C57
2021-03-24 18:54:04 s 1 +67177.963 0 +348028.57 3110.0 C57
2021-03-24 19:04:04 S 11 25 53.239 -13 06 09.22 V C57
2021-03-24 19:04:04 s 1 +66818.229 0 +348278.06 2070.0 C57
2021-03-24 19:24:04 S 11 25 51.850 -13 06 02.12 V C57
2021-03-24 19:24:04 s 1 +66098.119 0 +348773.64 8570.0 C57
2021-03-24 19:34:04 S 11 25 51.283 -13 06 05.94 V C57
2021-03-24 19:34:04 s 1 +65737.744 0 +349019.73 6120.0 C57
2021-03-24 19:44:04 S 11 25 50.645 -13 06 03.42 V C57
2021-03-24 19:44:04 s 1 +65377.159 0 +349264.69 3200.0 C57
2021-03-24 19:54:04 S 11 25 50.198 -13 06 02.95 V C57
2021-03-24 19:54:04 s 1 +65016.365 0 +349508.52 9810.0 C57
2021-03-24 20:04:04 S 11 25 49.646 -13 06 00.22 V C57
2021-03-24 20:04:04 s 1 +64655.363 0 +349751.22 5970.0 C57
2021-03-24 20:24:04 S 11 25 48.290 -13 06 00.90 V C57
2021-03-24 20:24:04 s 1 +63932.743 0 +350233.23 6920.0 C57
2021-03-24 20:34:04 S 11 25 47.942 -13 06 01.37 V C57
2021-03-24 20:34:04 s 1 +63571.127 0 +350472.54 1720.0 C57
2021-03-24 20:44:04 S 11 25 47.340 -13 05 55.54 V C57
2021-03-24 20:44:04 s 1 +63209.309 0 +350710.73 6070.0 C57
2021-03-24 20:54:04 S 11 25 46.882 -13 05 59.32 V C57
2021-03-24 20:54:04 s 1 +62847.291 0 +350947.79 9970.0 C57
2021-03-24 21:04:04 S 11 25 46.090 -13 05 53.16 V C57
2021-03-24 21:04:04 s 1 +62485.074 0 +351183.73 3430.0 C57
2021-03-24 21:14:04 S 11 25 45.487 -13 05 51.25 V C57
2021-03-24 21:14:04 s 1 +62122.659 0 +351418.54 6460.0 C57
2021-03-24 21:24:04 S 11 25 45.067 -13 05 53.77 V C57
2021-03-24 21:24:04 s 1 +61760.049 0 +351652.23 9050.0 C57
2021-03-24 21:34:04 S 11 25 44.062 -13 05 49.20 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)