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
2019-04-19 08:14:33 S 13 01 47.717 -40 40 52.07 V C57
2019-04-19 08:14:33 s 1 -198463.05 2 +237229.94 3650.0 C57
2019-04-19 08:44:33 S 13 01 44.921 -40 40 46.99 V C57
2019-04-19 08:44:33 s 1 -198852.61 4 +235600.11 3760.0 C57
2019-04-19 12:44:33 S 13 01 25.291 -40 40 20.93 V C57
2019-04-19 12:44:33 s 1 -201662.41 1 +222206.14 9990.0 C57
2019-04-19 13:14:33 S 13 01 22.920 -40 40 22.91 V C57
2019-04-19 13:14:33 s 1 -201973.90 1 +220487.20 8270.0 C57
2019-04-19 13:44:33 S 13 01 20.426 -40 40 20.14 V C57
2019-04-19 13:44:33 s 1 -202276.23 8 +218758.28 6630.0 C57
2019-04-19 14:14:33 S 13 01 17.818 -40 40 14.34 V C57
2019-04-19 14:14:33 s 1 -202569.31 8 +217019.36 4650.0 C57
2019-04-19 14:44:33 S 13 01 15.374 -40 40 14.70 V C57
2019-04-19 14:44:33 s 1 -202853.04 1 +215270.41 1910.0 C57
2019-04-19 15:14:33 S 13 01 12.667 -40 40 06.06 V C57
2019-04-19 15:14:33 s 1 -203127.30 1 +213511.41 7990.0 C57
2019-04-19 18:44:33 S 13 00 55.152 -40 39 46.12 V C57
2019-04-19 18:44:33 s 1 -204773.01 4 +200915.90 270.0 C57
2019-04-19 19:14:33 S 13 00 52.582 -40 39 46.01 V C57
2019-04-19 19:14:33 s 1 -204967.59 6 +199075.98 710.0 C57
2019-04-19 20:14:33 S 13 00 47.419 -40 39 38.23 V C57
2019-04-19 20:14:33 s 1 -205325.18 5 +195365.54 5040.0 C57
2019-04-19 21:14:33 S 13 00 42.727 -40 39 33.44 V C57
2019-04-19 21:14:33 s 1 -205639.84 1 +191614.21 3900.0 C57
2019-04-19 21:44:33 S 13 00 40.166 -40 39 27.00 V C57
2019-04-19 21:44:33 s 1 -205780.74 9 +189723.17 2470.0 C57
2019-04-19 22:14:33 S 13 00 37.526 -40 39 26.21 V C57
2019-04-19 22:14:33 s 1 -205910.53 5 +187821.87 3070.0 C57
2019-04-19 22:44:33 S 13 00 35.071 -40 39 23.15 V C57
2019-04-19 22:44:33 s 1 -206029.06 5 +185910.29 5160.0 C57
2019-04-19 23:14:33 S 13 00 32.491 -40 39 20.12 V C57
2019-04-19 23:14:33 s 1 -206136.20 3 +183988.42 8170.0 C57
2019-04-19 23:44:33 S 13 00 29.719 -40 39 14.40 V C57
2019-04-19 23:44:33 s 1 -206231.81 0 +182056.23 1530.0 C57
2019-04-20 00:14:33 S 13 00 27.456 -40 39 11.45 V C57
2019-04-20 00:14:33 s 1 -206315.74 4 +180113.73 4670.0 C57
2019-04-20 00:44:33 S 13 00 24.833 -40 39 08.78 V C57
2019-04-20 00:44:33 s 1 -206387.86 1 +178160.89 6980.0 C57
2019-04-20 01:14:33 S 13 00 22.327 -40 39 05.47 V C57
2019-04-20 01:14:33 s 1 -206448.01 4 +176197.71 7860.0 C57
2019-04-20 01:44:33 S 13 00 19.812 -40 39 03.24 V C57
2019-04-20 01:44:33 s 1 -206496.05 5 +174224.17 6700.0 C57
2019-04-20 02:44:33 S 13 00 14.930 -40 39 00.79 V C57
2019-04-20 02:44:33 s 1 -206555.19 0 +170245.98 5710.0 C57
2019-04-20 03:14:33 S 13 00 11.878 -40 38 49.88 V C57
2019-04-20 03:14:33 s 1 -206565.97 1 +168241.30 4590.0 C57
2019-04-20 03:44:33 S 13 00 09.931 -40 38 48.91 V C57
2019-04-20 03:44:33 s 1 -206564.01 5 +166226.23 8840.0 C57
2019-04-20 04:14:33 S 13 00 07.306 -40 38 45.92 V C57
2019-04-20 04:14:33 s 1 -206549.15 8 +164200.76 7770.0 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)