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
2021-03-13 05:44:05 s 1 -23403.088 0 +377317.52 5130.0 C57
2021-03-13 05:54:05 S 11 43 19.750 -13 37 12.04 V C57
2021-03-13 05:54:05 s 1 -23772.965 0 +377334.74 9890.0 C57
2021-03-13 06:04:05 S 11 43 18.790 -13 37 13.19 V C57
2021-03-13 06:04:05 s 1 -24142.790 0 +377350.95 4630.0 C57
2021-03-13 06:14:05 S 11 43 18.336 -13 37 11.10 V C57
2021-03-13 06:14:05 s 1 -24512.560 0 +377366.15 9330.0 C57
2021-03-13 06:24:05 S 11 43 17.801 -13 37 09.84 V C57
2021-03-13 06:24:05 s 1 -24882.276 0 +377380.34 4000.0 C57
2021-03-13 06:54:05 S 11 43 16.039 -13 37 08.33 V C57
2021-03-13 06:54:05 s 1 -25991.085 0 +377416.87 7780.0 C57
2021-03-13 08:04:05 S 11 43 11.587 -13 37 04.66 V C57
2021-03-13 08:04:05 s 1 -28576.211 0 +377466.84 8360.0 C57
2021-03-13 08:14:05 S 11 43 11.021 -13 37 03.25 V C57
2021-03-13 08:14:05 s 1 -28945.262 0 +377469.95 2520.0 C57
2021-03-13 08:24:05 S 11 43 10.171 -13 37 05.02 V C57
2021-03-13 08:24:05 s 1 -29314.246 0 +377472.06 6620.0 C57
2021-03-13 08:34:05 S 11 43 09.490 -13 37 03.65 V C57
2021-03-13 08:34:05 s 1 -29683.163 0 +377473.16 660.0 C57
2021-03-13 08:44:05 S 11 43 08.760 -13 37 05.05 V C57
2021-03-13 08:44:05 s 1 -30052.012 0 +377473.26 4640.0 C57
2021-03-13 08:54:05 S 11 43 08.275 -13 37 02.06 V C57
2021-03-13 08:54:05 s 1 -30420.792 0 +377472.35 8560.0 C57
2021-03-13 09:04:05 S 11 43 07.728 -13 37 00.98 V C57
2021-03-13 09:04:05 s 1 -30789.501 0 +377470.44 2410.0 C57
2021-03-13 09:14:05 S 11 43 07.030 -13 37 01.63 V C57
2021-03-13 09:14:05 s 1 -31158.140 0 +377467.52 6190.0 C57
2021-03-13 09:24:05 S 11 43 06.178 -13 36 58.93 V C57
2021-03-13 09:24:05 s 1 -31526.707 0 +377463.60 9900.0 C57
2021-03-13 09:44:05 S 11 43 05.054 -13 36 57.49 V C57
2021-03-13 09:44:05 s 1 -32263.622 0 +377452.74 7110.0 C57
2021-03-13 09:54:05 S 11 43 04.322 -13 36 57.60 V C57
2021-03-13 09:54:05 s 1 -32631.967 0 +377445.81 600.0 C57
2021-03-13 10:04:05 S 11 43 03.866 -13 37 00.70 V C57
2021-03-13 10:04:05 s 1 -33000.237 0 +377437.87 4010.0 C57
2021-03-13 10:24:05 S 11 43 02.453 -13 36 58.61 V C57
2021-03-13 10:24:05 s 1 -33736.546 0 +377418.98 600.0 C57
2021-03-13 10:34:05 S 11 43 02.299 -13 36 58.32 V C57
2021-03-13 10:34:05 s 1 -34104.583 0 +377408.04 3770.0 C57
2021-03-13 10:44:05 S 11 43 01.481 -13 36 55.33 V C57
2021-03-13 10:44:05 s 1 -34472.540 0 +377396.09 6850.0 C57
2021-03-13 10:54:05 S 11 43 00.446 -13 36 54.58 V C57
2021-03-13 10:54:05 s 1 -34840.417 0 +377383.13 9850.0 C57
2021-03-13 11:04:05 S 11 42 59.986 -13 36 56.59 V C57
2021-03-13 11:04:05 s 1 -35208.213 0 +377369.18 2760.0 C57
2021-03-13 11:14:05 S 11 42 59.448 -13 36 56.23 V C57
2021-03-13 11:14:05 s 1 -35575.926 0 +377354.22 5570.0 C57
2021-03-13 11:24:05 S 11 42 58.469 -13 36 51.19 V C57
2021-03-13 11:24:05 s 1 -35943.556 0 +377338.26 8300.0 C57
2021-03-13 11:44:05 S 11 42 57.346 -13 36 53.53 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)