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 22:14:05 s 1 -109444.32 6 +352115.09 5710.0 C57
2021-03-14 22:24:05 S 11 40 43.567 -13 34 53.00 V C57
2021-03-14 22:24:05 s 1 -109772.44 8 +351889.27 4180.0 C57
2021-03-14 22:34:05 S 11 40 43.421 -13 34 50.70 V C57
2021-03-14 22:34:05 s 1 -110100.26 7 +351662.43 2120.0 C57
2021-03-14 22:44:05 S 11 40 42.451 -13 34 49.80 V C57
2021-03-14 22:44:05 s 1 -110427.78 2 +351434.58 9510.0 C57
2021-03-14 22:54:05 S 11 40 41.861 -13 34 51.38 V C57
2021-03-14 22:54:05 s 1 -110754.99 2 +351205.72 6370.0 C57
2021-03-14 23:04:05 S 11 40 41.318 -13 34 49.30 V C57
2021-03-14 23:04:05 s 1 -111081.89 5 +350975.84 2680.0 C57
2021-03-14 23:14:05 S 11 40 40.567 -13 34 49.08 V C57
2021-03-14 23:14:05 s 1 -111408.49 1 +350744.95 8450.0 C57
2021-03-14 23:24:05 S 11 40 39.996 -13 34 50.30 V C57
2021-03-14 23:24:05 s 1 -111734.77 7 +350513.04 3670.0 C57
2021-03-14 23:34:05 S 11 40 39.463 -13 34 50.20 V C57
2021-03-14 23:34:05 s 1 -112060.75 4 +350280.11 8340.0 C57
2021-03-14 23:44:05 S 11 40 38.518 -13 34 45.91 V C57
2021-03-14 23:44:05 s 1 -112386.41 9 +350046.17 2460.0 C57
2021-03-14 23:54:05 S 11 40 37.934 -13 34 45.95 V C57
2021-03-14 23:54:05 s 1 -112711.77 1 +349811.22 6020.0 C57
2021-03-15 00:04:05 S 11 40 37.210 -13 34 44.83 V C57
2021-03-15 00:04:05 s 1 -113036.81 0 +349575.24 9030.0 C57
2021-03-15 00:14:05 S 11 40 36.557 -13 34 45.23 V C57
2021-03-15 00:14:05 s 1 -113361.53 3 +349338.25 1470.0 C57
2021-03-15 00:24:05 S 11 40 36.242 -13 34 45.95 V C57
2021-03-15 00:24:05 s 1 -113685.94 0 +349100.25 3350.0 C57
2021-03-15 00:34:05 S 11 40 35.590 -13 34 44.72 V C57
2021-03-15 00:34:05 s 1 -114010.02 8 +348861.22 4670.0 C57
2021-03-15 00:44:05 S 11 40 34.812 -13 34 39.58 V C57
2021-03-15 00:44:05 s 1 -114333.79 8 +348621.18 5420.0 C57
2021-03-15 00:54:05 S 11 40 34.022 -13 34 40.37 V C57
2021-03-15 00:54:05 s 1 -114657.24 8 +348380.12 5600.0 C57
2021-03-15 01:04:05 S 11 40 33.420 -13 34 41.92 V C57
2021-03-15 01:04:05 s 1 -114980.37 6 +348138.04 5200.0 C57
2021-03-15 01:14:05 S 11 40 32.580 -13 34 39.25 V C57
2021-03-15 01:14:05 s 1 -115303.18 1 +347894.94 4230.0 C57
2021-03-15 01:34:05 S 11 40 31.490 -13 34 37.42 V C57
2021-03-15 01:34:05 s 1 -115947.81 8 +347405.69 560.0 C57
2021-03-15 01:44:05 S 11 40 30.934 -13 34 38.24 V C57
2021-03-15 01:44:05 s 1 -116269.64 7 +347159.53 7850.0 C57
2021-03-15 01:54:05 S 11 40 29.935 -13 34 34.46 V C57
2021-03-15 01:54:05 s 1 -116591.14 8 +346912.36 4550.0 C57
2021-03-15 02:04:05 S 11 40 29.198 -13 34 36.98 V C57
2021-03-15 02:04:05 s 1 -116912.32 0 +346664.16 670.0 C57
2021-03-15 02:14:05 S 11 40 28.901 -13 34 34.14 V C57
2021-03-15 02:14:05 s 1 -117233.16 1 +346414.95 6190.0 C57
2021-03-15 02:24:05 S 11 40 28.130 -13 34 35.80 V C57
2021-03-15 02:24:05 s 1 -117553.67 0 +346164.71 1130.0 C57
2021-03-15 02:34:05 S 11 40 27.432 -13 34 35.04 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)