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
2021-03-23 07:04:04 S 11 28 01.375 -13 10 55.42 V C57
2021-03-23 07:04:04 s 1 +136450.69 6 +266287.17 230.0 C57
2021-03-23 07:05:53 C 11 27 44.07 -13 11 44.2 V 703
2021-03-23 07:13:24 C 11 27 43.61 -13 11 42.6 V 703
2021-03-23 07:14:04 S 11 28 01.164 -13 10 58.08 V C57
2021-03-23 07:14:04 s 1 +136183.34 4 +266806.89 4110.0 C57
2021-03-23 07:20:55 C 11 27 43.15 -13 11 41.7 V 703
2021-03-23 07:24:04 S 11 28 00.190 -13 10 58.33 V C57
2021-03-23 07:24:04 s 1 +135915.27 1 +267325.19 6510.0 C57
2021-03-23 07:34:04 S 11 27 59.786 -13 10 51.35 V C57
2021-03-23 07:34:04 s 1 +135646.48 0 +267842.07 7420.0 C57
2021-03-23 07:44:04 S 11 27 59.021 -13 10 50.63 V C57
2021-03-23 07:44:04 s 1 +135376.97 5 +268357.54 6860.0 C57
2021-03-23 07:54:04 S 11 27 58.555 -13 10 51.78 V C57
2021-03-23 07:54:04 s 1 +135106.76 1 +268871.59 4830.0 C57
2021-03-23 08:04:04 S 11 27 58.075 -13 10 50.77 V C57
2021-03-23 08:04:04 s 1 +134835.83 9 +269384.24 1350.0 C57
2021-03-23 08:14:04 S 11 27 57.382 -13 10 48.61 V C57
2021-03-23 08:14:04 s 1 +134564.21 6 +269895.48 6410.0 C57
2021-03-23 08:34:04 S 11 27 56.107 -13 10 49.51 V C57
2021-03-23 08:34:04 s 1 +134018.87 5 +270913.75 2210.0 C57
2021-03-23 08:44:04 S 11 27 55.930 -13 10 49.08 V C57
2021-03-23 08:44:04 s 1 +133745.16 6 +271420.77 2970.0 C57
2021-03-23 08:54:04 S 11 27 55.068 -13 10 45.70 V C57
2021-03-23 08:54:04 s 1 +133470.76 8 +271926.40 2300.0 C57
2021-03-23 09:04:04 S 11 27 54.713 -13 10 40.73 V C57
2021-03-23 09:04:04 s 1 +133195.68 7 +272430.63 210.0 C57
2021-03-23 09:14:04 S 11 27 53.969 -13 10 40.73 V C57
2021-03-23 09:14:04 s 1 +132919.92 4 +272933.46 6720.0 C57
2021-03-23 09:24:04 S 11 27 53.431 -13 10 34.43 V C57
2021-03-23 09:24:04 s 1 +132643.48 4 +273434.90 1820.0 C57
2021-03-23 09:34:04 S 11 27 52.642 -13 10 38.71 V C57
2021-03-23 09:34:04 s 1 +132366.37 1 +273934.95 5530.0 C57
2021-03-23 09:54:04 S 11 27 51.406 -13 10 37.96 V C57
2021-03-23 09:54:04 s 1 +131810.13 7 +274930.86 8800.0 C57
2021-03-23 10:04:04 S 11 27 51.074 -13 10 32.99 V C57
2021-03-23 10:04:04 s 1 +131531.02 4 +275426.74 8370.0 C57
2021-03-23 10:14:04 S 11 27 50.314 -13 10 35.47 V C57
2021-03-23 10:14:04 s 1 +131251.25 0 +275921.23 6570.0 C57
2021-03-23 10:24:04 S 11 27 49.646 -13 10 31.66 V C57
2021-03-23 10:24:04 s 1 +130970.82 1 +276414.34 3410.0 C57
2021-03-23 10:34:04 S 11 27 49.330 -13 10 30.86 V C57
2021-03-23 10:34:04 s 1 +130689.73 9 +276906.07 8910.0 C57
2021-03-23 11:24:04 S 11 27 45.821 -13 10 27.30 V C57
2021-03-23 11:24:04 s 1 +129274.65 6 +279344.03 6300.0 C57
2021-03-23 11:34:04 S 11 27 45.737 -13 10 25.64 V C57
2021-03-23 11:34:04 s 1 +128989.72 8 +279827.50 3820.0 C57
2021-03-23 11:54:04 S 11 27 44.400 -13 10 18.70 V C57
2021-03-23 11:54:04 s 1 +128417.98 9 +280790.34 4940.0 C57
2021-03-23 12:04:04 S 11 27 43.949 -13 10 17.33 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)