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
2019-04-16 15:14:33 S 13 07 05.129 -40 45 13.07 V C57
2019-04-16 15:14:33 s 1 -99746.167 0 +370691.22 2780.0 C57
2019-04-16 15:44:33 S 13 07 02.729 -40 45 11.66 V C57
2019-04-16 15:44:33 s 1 -100749.06 2 +370231.76 1700.0 C57
2019-04-16 16:14:33 S 13 07 00.293 -40 45 09.43 V C57
2019-04-16 16:14:33 s 1 -101749.56 8 +369763.71 7960.0 C57
2019-04-16 16:44:33 S 13 06 57.878 -40 45 07.52 V C57
2019-04-16 16:44:33 s 1 -102747.66 0 +369287.08 1470.0 C57
2019-04-16 17:14:33 S 13 06 55.668 -40 45 07.09 V C57
2019-04-16 17:14:33 s 1 -103743.31 0 +368801.87 2110.0 C57
2019-04-16 17:44:33 S 13 06 53.426 -40 45 06.59 V C57
2019-04-16 17:44:33 s 1 -104736.49 2 +368308.07 9770.0 C57
2019-04-16 18:14:33 S 13 06 50.414 -40 45 05.87 V C57
2019-04-16 18:14:33 s 1 -105727.18 0 +367805.68 4340.0 C57
2019-04-16 19:14:33 S 13 06 45.778 -40 44 57.73 V C57
2019-04-16 19:14:33 s 1 -107700.96 5 +366775.14 3780.0 C57
2019-04-16 19:44:33 S 13 06 43.481 -40 44 59.14 V C57
2019-04-16 19:44:33 s 1 -108684.00 8 +366246.98 8420.0 C57
2019-04-16 20:14:33 S 13 06 41.170 -40 44 56.54 V C57
2019-04-16 20:14:33 s 1 -109664.44 9 +365710.24 9540.0 C57
2019-04-16 20:44:33 S 13 06 38.822 -40 44 57.66 V C57
2019-04-16 20:44:33 s 1 -110642.26 1 +365164.90 7010.0 C57
2019-04-16 21:14:33 S 13 06 36.338 -40 44 56.83 V C57
2019-04-16 21:14:33 s 1 -111617.41 6 +364610.97 730.0 C57
2019-04-16 21:44:33 S 13 06 33.869 -40 44 54.64 V C57
2019-04-16 21:44:33 s 1 -112589.88 7 +364048.44 580.0 C57
2019-04-16 22:14:33 S 13 06 31.918 -40 44 53.34 V C57
2019-04-16 22:14:33 s 1 -113559.64 3 +363477.32 6450.0 C57
2019-04-16 22:44:33 S 13 06 29.194 -40 44 52.62 V C57
2019-04-16 22:44:33 s 1 -114527.44 8 +362897.55 9110.0 C57
2019-04-16 23:14:33 S 13 06 27.022 -40 44 52.66 V C57
2019-04-16 23:14:33 s 1 -115491.70 6 +362309.23 6700.0 C57
2019-04-16 23:44:33 S 13 06 24.310 -40 44 49.63 V C57
2019-04-16 23:44:33 s 1 -116453.17 0 +361712.30 9960.0 C57
2019-04-17 00:14:33 S 13 06 22.037 -40 44 49.09 V C57
2019-04-17 00:14:33 s 1 -117411.81 0 +361106.76 8790.0 C57
2019-04-17 00:44:33 S 13 06 19.572 -40 44 43.66 V C57
2019-04-17 00:44:33 s 1 -118367.59 9 +360492.62 3070.0 C57
2019-04-17 01:14:33 S 13 06 17.167 -40 44 45.31 V C57
2019-04-17 01:14:33 s 1 -119320.50 7 +359869.86 2680.0 C57
2019-04-17 01:44:33 S 13 06 15.108 -40 44 44.95 V C57
2019-04-17 01:44:33 s 1 -120270.50 7 +359238.49 7500.0 C57
2019-04-17 02:14:33 S 13 06 12.511 -40 44 41.82 V C57
2019-04-17 02:14:33 s 1 -121217.56 9 +358598.50 7420.0 C57
2019-04-17 02:44:33 S 13 06 10.018 -40 44 39.91 V C57
2019-04-17 02:44:33 s 1 -122161.66 5 +357949.89 2330.0 C57
2019-04-17 03:14:33 S 13 06 07.644 -40 44 40.16 V C57
2019-04-17 03:14:33 s 1 -123102.76 6 +357292.66 2090.0 C57
2019-04-17 03:44:33 S 13 06 05.194 -40 44 38.80 V C57
2019-04-17 03:44:33 s 1 -124040.84 2 +356626.80 6600.0 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)