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
2021-03-15 13:04:05 s 1 -137314.34 1 +328008.22 2720.0 C57
2021-03-15 13:14:05 S 11 39 45.511 -13 33 50.15 V C57
2021-03-15 13:14:05 s 1 -137610.25 1 +327690.69 3630.0 C57
2021-03-15 13:24:05 S 11 39 44.923 -13 33 49.90 V C57
2021-03-15 13:24:05 s 1 -137905.78 4 +327372.16 3360.0 C57
2021-03-15 13:34:05 S 11 39 44.376 -13 33 49.64 V C57
2021-03-15 13:34:05 s 1 -138200.88 9 +327052.58 2310.0 C57
2021-03-15 13:44:04 S 11 39 43.927 -13 33 50.40 V C57
2021-03-15 13:44:04 s 1 -138495.56 4 +326731.94 470.0 C57
2021-03-15 13:54:05 S 11 39 43.013 -13 33 47.52 V C57
2021-03-15 13:54:05 s 1 -138789.80 7 +326410.25 7850.0 C57
2021-03-15 14:04:05 S 11 39 42.374 -13 33 47.09 V C57
2021-03-15 14:04:05 s 1 -139083.61 7 +326087.52 4430.0 C57
2021-03-15 14:14:05 S 11 39 41.839 -13 33 45.40 V C57
2021-03-15 14:14:05 s 1 -139376.99 3 +325763.73 220.0 C57
2021-03-15 14:34:05 S 11 39 40.380 -13 33 45.97 V C57
2021-03-15 14:34:05 s 1 -139962.43 4 +325112.98 9400.0 C57
2021-03-15 14:44:05 S 11 39 39.818 -13 33 44.96 V C57
2021-03-15 14:44:05 s 1 -140254.49 6 +324786.03 2790.0 C57
2021-03-15 14:54:05 S 11 39 39.091 -13 33 42.88 V C57
2021-03-15 14:54:05 s 1 -140546.11 7 +324458.03 5370.0 C57
2021-03-15 15:04:05 S 11 39 38.436 -13 33 41.54 V C57
2021-03-15 15:04:05 s 1 -140837.29 5 +324128.97 7150.0 C57
2021-03-15 15:14:04 S 11 39 37.836 -13 33 42.80 V C57
2021-03-15 15:14:04 s 1 -141128.02 8 +323798.85 8100.0 C57
2021-03-15 15:24:05 S 11 39 37.176 -13 33 38.56 V C57
2021-03-15 15:24:05 s 1 -141418.31 6 +323467.68 8250.0 C57
2021-03-15 15:34:05 S 11 39 36.288 -13 33 41.22 V C57
2021-03-15 15:34:05 s 1 -141708.15 5 +323135.45 7570.0 C57
2021-03-15 15:44:05 S 11 39 35.909 -13 33 40.75 V C57
2021-03-15 15:44:05 s 1 -141997.54 6 +322802.16 6070.0 C57
2021-03-15 15:54:05 S 11 39 35.138 -13 33 37.01 V C57
2021-03-15 15:54:05 s 1 -142286.48 5 +322467.81 3740.0 C57
2021-03-15 16:04:05 S 11 39 34.531 -13 33 41.08 V C57
2021-03-15 16:04:05 s 1 -142574.97 2 +322132.41 580.0 C57
2021-03-15 16:14:05 S 11 39 33.698 -13 33 36.94 V C57
2021-03-15 16:14:05 s 1 -142863.00 4 +321795.95 6590.0 C57
2021-03-15 16:24:04 S 11 39 33.048 -13 33 33.30 V C57
2021-03-15 16:24:04 s 1 -143150.58 0 +321458.43 1770.0 C57
2021-03-15 16:34:05 S 11 39 32.446 -13 33 34.78 V C57
2021-03-15 16:34:05 s 1 -143437.69 8 +321119.84 6100.0 C57
2021-03-15 16:44:04 S 11 39 31.812 -13 33 33.91 V C57
2021-03-15 16:44:04 s 1 -143724.35 7 +320780.20 9590.0 C57
2021-03-15 16:54:05 S 11 39 31.147 -13 33 35.03 V C57
2021-03-15 16:54:05 s 1 -144010.55 4 +320439.50 2240.0 C57
2021-03-15 17:04:05 S 11 39 30.744 -13 33 34.06 V C57
2021-03-15 17:04:05 s 1 -144296.28 9 +320097.73 4040.0 C57
2021-03-15 17:14:05 S 11 39 29.885 -13 33 32.40 V C57
2021-03-15 17:14:05 s 1 -144581.55 9 +319754.90 4980.0 C57
2021-03-15 17:24:05 S 11 39 29.309 -13 33 32.26 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)