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
2021-03-22 05:14:04 s 1 +166020.60 5 +167226.66 3640.0 C57
2021-03-22 05:24:04 S 11 29 31.428 -13 14 19.46 V C57
2021-03-22 05:24:04 s 1 +165931.43 8 +167993.25 8180.0 C57
2021-03-22 05:54:04 S 11 29 29.633 -13 14 12.37 V C57
2021-03-22 05:54:04 s 1 +165653.42 1 +170282.31 800.0 C57
2021-03-22 06:14:04 S 11 29 28.397 -13 14 10.18 V C57
2021-03-22 06:14:04 s 1 +165459.42 9 +171799.47 8610.0 C57
2021-03-22 06:24:04 S 11 29 27.902 -13 14 11.47 V C57
2021-03-22 06:24:04 s 1 +165359.87 1 +172555.38 2400.0 C57
2021-03-22 06:34:04 S 11 29 27.322 -13 14 06.58 V C57
2021-03-22 06:34:04 s 1 +165258.62 1 +173309.53 2800.0 C57
2021-03-22 07:14:04 S 11 29 24.806 -13 14 04.63 V C57
2021-03-22 07:14:04 s 1 +164836.90 5 +176308.49 1000.0 C57
2021-03-22 07:24:04 S 11 29 24.607 -13 14 00.38 V C57
2021-03-22 07:24:04 s 1 +164727.35 1 +177053.83 4800.0 C57
2021-03-22 07:34:04 S 11 29 23.830 -13 13 59.20 V C57
2021-03-22 07:34:04 s 1 +164616.16 7 +177797.42 5340.0 C57
2021-03-22 07:54:04 S 11 29 22.577 -13 13 58.26 V C57
2021-03-22 07:54:04 s 1 +164388.95 3 +179279.34 6710.0 C57
2021-03-22 08:24:04 S 11 29 20.832 -13 13 55.85 V C57
2021-03-22 08:24:04 s 1 +164036.16 7 +181489.14 9820.0 C57
2021-03-22 09:11:24 C 11 29 05.66 -13 14 46.4 V T08
2021-03-22 09:14:04 S 11 29 17.870 -13 13 50.16 V C57
2021-03-22 09:14:04 s 1 +163416.94 4 +185137.41 5730.0 C57
2021-03-22 09:14:43 C 11 29 05.45 -13 14 45.9 V T08
2021-03-22 09:18:42 C 11 29 05.21 -13 14 45.3 V T08
2021-03-22 09:24:04 S 11 29 17.434 -13 13 41.63 V C57
2021-03-22 09:24:04 s 1 +163288.50 0 +185861.87 1680.0 C57
2021-03-22 09:26:00 C 11 29 04.74 -13 14 44.1 V T08
2021-03-22 09:34:04 S 11 29 16.910 -13 13 45.98 V C57
2021-03-22 09:34:04 s 1 +163158.54 4 +186584.62 4610.0 C57
2021-03-22 09:44:04 S 11 29 16.306 -13 13 44.11 V C57
2021-03-22 09:44:04 s 1 +163027.08 7 +187305.64 4530.0 C57
2021-03-22 09:54:04 S 11 29 15.770 -13 13 44.58 V C57
2021-03-22 09:54:04 s 1 +162894.13 7 +188024.95 1440.0 C57
2021-03-22 10:24:04 S 11 29 13.858 -13 13 40.01 V C57
2021-03-22 10:24:04 s 1 +162486.42 3 +190172.59 4410.0 C57
2021-03-22 10:44:04 S 11 29 12.960 -13 13 35.18 V C57
2021-03-22 10:44:04 s 1 +162207.31 8 +191595.81 1730.0 C57
2021-03-22 10:54:04 S 11 29 12.379 -13 13 34.39 V C57
2021-03-22 10:54:04 s 1 +162065.60 3 +192304.87 1050.0 C57
2021-03-22 11:04:04 S 11 29 11.494 -13 13 33.20 V C57
2021-03-22 11:04:04 s 1 +161922.45 8 +193012.22 7490.0 C57
2021-03-22 11:14:04 S 11 29 11.299 -13 13 35.11 V C57
2021-03-22 11:14:04 s 1 +161777.89 3 +193717.88 1080.0 C57
2021-03-22 11:24:04 S 11 29 10.500 -13 13 32.45 V C57
2021-03-22 11:24:04 s 1 +161631.91 4 +194421.85 1830.0 C57
2021-03-22 11:34:04 S 11 29 09.986 -13 13 29.71 V C57
2021-03-22 11:34:04 s 1 +161484.53 2 +195124.12 9750.0 C57
2021-03-22 11:44:04 S 11 29 09.394 -13 13 27.16 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)