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 01:24:05 s 1 -13770.873 0 +376514.69 3000.0 C57
2021-03-13 01:34:05 S 11 43 36.139 -13 37 25.79 V C57
2021-03-13 01:34:05 s 1 -14141.787 0 +376558.25 8140.0 C57
2021-03-13 01:44:05 S 11 43 35.489 -13 37 23.52 V C57
2021-03-13 01:44:05 s 1 -14512.674 0 +376600.79 3250.0 C57
2021-03-13 01:54:05 S 11 43 34.898 -13 37 24.49 V C57
2021-03-13 01:54:05 s 1 -14883.531 0 +376642.31 8350.0 C57
2021-03-13 02:04:05 S 11 43 34.176 -13 37 25.43 V C57
2021-03-13 02:04:05 s 1 -15254.359 0 +376682.82 3430.0 C57
2021-03-13 02:14:05 S 11 43 33.331 -13 37 24.17 V C57
2021-03-13 02:14:05 s 1 -15625.156 0 +376722.31 1510.0 C57
2021-03-13 02:24:05 S 11 43 32.894 -13 37 18.26 V C57
2021-03-13 02:24:05 s 1 -15995.922 0 +376760.79 6460.0 C57
2021-03-13 02:34:05 S 11 43 32.258 -13 37 20.03 V C57
2021-03-13 02:34:05 s 1 -16366.654 0 +376798.25 1410.0 C57
2021-03-13 02:44:05 S 11 43 31.536 -13 37 18.44 V C57
2021-03-13 02:44:05 s 1 -16737.354 0 +376834.70 6380.0 C57
2021-03-13 02:54:05 S 11 43 31.241 -13 37 21.14 V C57
2021-03-13 02:54:05 s 1 -17108.018 0 +376870.13 1360.0 C57
2021-03-13 03:04:05 S 11 43 30.470 -13 37 17.40 V C57
2021-03-13 03:04:05 s 1 -17478.647 0 +376904.55 6340.0 C57
2021-03-13 03:14:05 S 11 43 29.522 -13 37 17.22 V C57
2021-03-13 03:14:05 s 1 -17849.240 0 +376937.95 1330.0 C57
2021-03-13 03:24:05 S 11 43 29.208 -13 37 17.72 V C57
2021-03-13 03:24:05 s 1 -18219.794 0 +376970.34 6310.0 C57
2021-03-13 03:34:05 S 11 43 28.478 -13 37 19.45 V C57
2021-03-13 03:34:05 s 1 -18590.311 0 +377001.72 1300.0 C57
2021-03-13 03:44:05 S 11 43 27.931 -13 37 17.29 V C57
2021-03-13 03:44:05 s 1 -18960.788 0 +377032.08 6280.0 C57
2021-03-13 03:54:05 S 11 43 27.331 -13 37 19.27 V C57
2021-03-13 03:54:05 s 1 -19331.225 0 +377061.43 1260.0 C57
2021-03-13 04:04:05 S 11 43 26.794 -13 37 17.22 V C57
2021-03-13 04:04:05 s 1 -19701.620 0 +377089.77 6230.0 C57
2021-03-13 04:14:05 S 11 43 26.167 -13 37 14.99 V C57
2021-03-13 04:14:05 s 1 -20071.973 0 +377117.10 1190.0 C57
2021-03-13 04:24:05 S 11 43 25.426 -13 37 15.85 V C57
2021-03-13 04:24:05 s 1 -20442.283 0 +377143.41 6140.0 C57
2021-03-13 04:34:05 S 11 43 24.847 -13 37 11.32 V C57
2021-03-13 04:34:05 s 1 -20812.548 0 +377168.71 1080.0 C57
2021-03-13 04:44:05 S 11 43 24.043 -13 37 14.48 V C57
2021-03-13 04:44:05 s 1 -21182.769 0 +377193.00 6000.0 C57
2021-03-13 04:54:05 S 11 43 23.405 -13 37 14.27 V C57
2021-03-13 04:54:05 s 1 -21552.943 0 +377216.28 910.0 C57
2021-03-13 05:14:05 S 11 43 22.174 -13 37 14.23 V C57
2021-03-13 05:14:05 s 1 -22293.149 0 +377259.81 670.0 C57
2021-03-13 05:24:05 S 11 43 21.686 -13 37 10.96 V C57
2021-03-13 05:24:05 s 1 -22663.179 0 +377280.06 5510.0 C57
2021-03-13 05:34:05 S 11 43 20.825 -13 37 13.01 V C57
2021-03-13 05:34:05 s 1 -23033.159 0 +377299.29 330.0 C57
2021-03-13 05:44:05 S 11 43 20.290 -13 37 10.85 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)