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
2021-03-26 06:04:04 S 11 23 47.002 -13 01 11.32 V C57
2021-03-26 06:04:04 s 1 -11471.798 0 +376563.13 2190.0 C57
2021-03-26 06:14:04 S 11 23 46.224 -13 01 12.43 V C57
2021-03-26 06:14:04 s 1 -11848.932 0 +376586.78 6780.0 C57
2021-03-26 06:24:04 S 11 23 45.665 -13 01 11.10 V C57
2021-03-26 06:24:04 s 1 -12226.032 0 +376609.40 1340.0 C57
2021-03-26 06:34:04 S 11 23 44.854 -13 01 06.28 V C57
2021-03-26 06:34:04 s 1 -12603.094 0 +376631.00 5860.0 C57
2021-03-26 06:44:04 S 11 23 44.434 -13 01 08.72 V C57
2021-03-26 06:44:04 s 1 -12980.120 0 +376651.57 350.0 C57
2021-03-26 06:54:04 S 11 23 43.776 -13 01 02.28 V C57
2021-03-26 06:54:04 s 1 -13357.107 0 +376671.12 4810.0 C57
2021-03-26 07:14:04 S 11 23 42.636 -13 01 02.28 V C57
2021-03-26 07:14:04 s 1 -14110.963 0 +376707.13 3610.0 C57
2021-03-26 07:24:04 S 11 23 41.971 -13 01 00.37 V C57
2021-03-26 07:24:04 s 1 -14487.829 0 +376723.60 7940.0 C57
2021-03-26 07:34:04 S 11 23 41.429 -13 00 59.72 V C57
2021-03-26 07:34:04 s 1 -14864.653 0 +376739.04 2230.0 C57
2021-03-26 08:24:04 S 11 23 38.453 -13 00 53.68 V C57
2021-03-26 08:24:04 s 1 -16748.102 0 +376800.87 2960.0 C57
2021-03-26 08:34:04 S 11 23 38.011 -13 00 50.87 V C57
2021-03-26 08:34:04 s 1 -17124.650 0 +376810.16 6940.0 C57
2021-03-26 08:44:04 S 11 23 37.258 -13 00 50.83 V C57
2021-03-26 08:44:04 s 1 -17501.149 0 +376818.43 870.0 C57
2021-03-26 08:54:04 S 11 23 36.554 -13 00 48.82 V C57
2021-03-26 08:54:04 s 1 -17877.598 0 +376825.67 4730.0 C57
2021-03-26 09:04:04 S 11 23 36.089 -13 00 47.27 V C57
2021-03-26 09:04:04 s 1 -18253.995 0 +376831.89 8530.0 C57
2021-03-26 09:14:04 S 11 23 35.285 -13 00 45.36 V C57
2021-03-26 09:14:04 s 1 -18630.339 0 +376837.09 2270.0 C57
2021-03-26 09:24:04 S 11 23 34.764 -13 00 45.22 V C57
2021-03-26 09:24:04 s 1 -19006.630 0 +376841.26 5940.0 C57
2021-03-26 09:34:04 S 11 23 34.430 -13 00 38.81 V C57
2021-03-26 09:34:04 s 1 -19382.867 0 +376844.41 9550.0 C57
2021-03-26 09:44:04 S 11 23 33.576 -13 00 42.01 V C57
2021-03-26 09:44:04 s 1 -19759.047 0 +376846.54 3080.0 C57
2021-03-26 09:54:04 S 11 23 33.007 -13 00 40.50 V C57
2021-03-26 09:54:04 s 1 -20135.172 0 +376847.65 6540.0 C57
2021-03-26 10:04:04 S 11 23 32.364 -13 00 37.80 V C57
2021-03-26 10:04:04 s 1 -20511.238 0 +376847.73 9930.0 C57
2021-03-26 10:14:04 S 11 23 31.430 -13 00 38.95 V C57
2021-03-26 10:14:04 s 1 -20887.247 0 +376846.79 3240.0 C57
2021-03-26 10:24:04 S 11 23 31.176 -13 00 33.23 V C57
2021-03-26 10:24:04 s 1 -21263.195 0 +376844.83 6470.0 C57
2021-03-26 10:34:04 S 11 23 30.622 -13 00 34.24 V C57
2021-03-26 10:34:04 s 1 -21639.083 0 +376841.84 9620.0 C57
2021-03-26 10:44:04 S 11 23 29.878 -13 00 33.73 V C57
2021-03-26 10:44:04 s 1 -22014.909 0 +376837.84 2690.0 C57
2021-03-26 10:54:04 S 11 23 29.263 -13 00 30.64 V C57
2021-03-26 10:54:04 s 1 -22390.673 0 +376832.81 5670.0 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)