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
2021-03-14 03:14:05 s 1 -70347.733 0 +371272.40 3800.0 C57
2021-03-14 03:54:05 S 11 41 55.697 -13 36 00.40 V C57
2021-03-14 03:54:05 s 1 -71767.345 0 +370819.91 700.0 C57
2021-03-14 04:04:05 S 11 41 54.816 -13 35 57.88 V C57
2021-03-14 04:04:05 s 1 -72121.800 0 +370704.30 4200.0 C57
2021-03-14 04:14:05 S 11 41 53.969 -13 35 58.16 V C57
2021-03-14 04:14:05 s 1 -72476.074 0 +370587.70 7410.0 C57
2021-03-14 04:24:05 S 11 41 53.671 -13 35 56.72 V C57
2021-03-14 04:24:05 s 1 -72830.165 0 +370470.10 330.0 C57
2021-03-14 04:34:05 S 11 41 53.006 -13 35 59.39 V C57
2021-03-14 04:34:05 s 1 -73184.074 0 +370351.51 2950.0 C57
2021-03-14 04:44:05 S 11 41 52.169 -13 35 56.08 V C57
2021-03-14 04:44:05 s 1 -73537.798 0 +370231.92 5270.0 C57
2021-03-14 04:54:05 S 11 41 51.559 -13 35 58.02 V C57
2021-03-14 04:54:05 s 1 -73891.337 0 +370111.34 7290.0 C57
2021-03-14 05:14:05 S 11 41 50.510 -13 35 53.77 V C57
2021-03-14 05:14:05 s 1 -74597.855 0 +369867.18 410.0 C57
2021-03-14 05:24:05 S 11 41 49.778 -13 35 55.39 V C57
2021-03-14 05:24:05 s 1 -74950.832 0 +369743.61 1520.0 C57
2021-03-14 05:44:05 S 11 41 48.586 -13 35 54.24 V C57
2021-03-14 05:44:05 s 1 -75656.218 0 +369493.49 2800.0 C57
2021-03-14 05:54:05 S 11 41 47.750 -13 35 55.50 V C57
2021-03-14 05:54:05 s 1 -76008.624 0 +369366.93 2970.0 C57
2021-03-14 06:04:05 S 11 41 47.026 -13 35 54.35 V C57
2021-03-14 06:04:05 s 1 -76360.837 0 +369239.38 2820.0 C57
2021-03-14 06:14:05 S 11 41 46.570 -13 35 54.56 V C57
2021-03-14 06:14:05 s 1 -76712.858 0 +369110.84 2360.0 C57
2021-03-14 06:24:05 S 11 41 45.739 -13 35 52.91 V C57
2021-03-14 06:24:05 s 1 -77064.684 0 +368981.29 1580.0 C57
2021-03-14 06:34:05 S 11 41 45.286 -13 35 48.95 V C57
2021-03-14 06:34:05 s 1 -77416.314 0 +368850.75 470.0 C57
2021-03-14 06:44:05 S 11 41 44.426 -13 35 50.39 V C57
2021-03-14 06:44:05 s 1 -77767.748 0 +368719.22 9050.0 C57
2021-03-14 06:54:05 S 11 41 43.934 -13 35 52.66 V C57
2021-03-14 06:54:05 s 1 -78118.984 0 +368586.69 7300.0 C57
2021-03-14 07:04:05 S 11 41 43.284 -13 35 50.86 V C57
2021-03-14 07:04:05 s 1 -78470.022 0 +368453.16 5220.0 C57
2021-03-14 07:14:05 S 11 41 42.624 -13 35 48.84 V C57
2021-03-14 07:14:05 s 1 -78820.860 0 +368318.64 2810.0 C57
2021-03-14 07:24:05 S 11 41 42.329 -13 35 51.22 V C57
2021-03-14 07:24:05 s 1 -79171.498 0 +368183.12 70.0 C57
2021-03-14 07:44:05 S 11 41 40.682 -13 35 43.84 V C57
2021-03-14 07:44:05 s 1 -79872.168 0 +367909.09 3580.0 C57
2021-03-14 07:54:05 S 11 41 40.049 -13 35 47.65 V C57
2021-03-14 07:54:05 s 1 -80222.197 0 +367770.58 9830.0 C57
2021-03-14 08:04:05 S 11 41 39.478 -13 35 47.51 V C57
2021-03-14 08:04:05 s 1 -80572.022 0 +367631.08 5740.0 C57
2021-03-14 08:24:05 S 11 41 38.297 -13 35 46.46 V C57
2021-03-14 08:24:05 s 1 -81271.053 0 +367349.08 6530.0 C57
2021-03-14 08:34:05 S 11 41 37.644 -13 35 45.06 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)