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
2019-04-20 05:14:33 S 13 00 02.131 -40 38 41.14 V C57
2019-04-20 05:14:33 s 1 -206480.07 2 +160118.56 6930.0 C57
2019-04-20 05:44:33 S 12 59 59.532 -40 38 38.47 V C57
2019-04-20 05:44:33 s 1 -206425.50 1 +158061.82 5720.0 C57
2019-04-20 06:14:33 S 12 59 57.226 -40 38 35.09 V C57
2019-04-20 06:14:33 s 1 -206357.34 4 +155994.66 6350.0 C57
2019-04-20 06:44:33 S 12 59 54.552 -40 38 30.23 V C57
2019-04-20 06:44:33 s 1 -206275.42 0 +153917.05 8070.0 C57
2019-04-20 07:14:33 S 12 59 52.082 -40 38 25.48 V C57
2019-04-20 07:14:33 s 1 -206179.54 8 +151829.02 100.0 C57
2019-04-20 07:44:33 S 12 59 49.152 -40 38 23.06 V C57
2019-04-20 07:44:33 s 1 -206069.54 0 +149730.54 1680.0 C57
2019-04-20 08:14:33 S 12 59 46.954 -40 38 21.62 V C57
2019-04-20 08:14:33 s 1 -205945.20 6 +147621.61 2000.0 C57
2019-04-20 08:44:33 S 12 59 44.232 -40 38 16.66 V C57
2019-04-20 08:44:33 s 1 -205806.35 1 +145502.25 240.0 C57
2019-04-20 09:14:33 S 12 59 41.803 -40 38 09.74 V C57
2019-04-20 09:14:33 s 1 -205652.77 8 +143372.45 5590.0 C57
2019-04-20 09:44:33 S 12 59 39.101 -40 38 07.15 V C57
2019-04-20 09:44:33 s 1 -205484.28 5 +141232.22 7180.0 C57
2019-04-20 10:14:33 S 12 59 36.586 -40 38 04.34 V C57
2019-04-20 10:14:33 s 1 -205300.66 6 +139081.55 4160.0 C57
2019-04-20 10:44:33 S 12 59 34.130 -40 38 00.42 V C57
2019-04-20 10:44:33 s 1 -205101.71 0 +136920.45 5630.0 C57
2019-04-20 11:14:33 S 12 59 31.248 -40 37 57.76 V C57
2019-04-20 11:14:33 s 1 -204887.20 4 +134748.94 700.0 C57
2019-04-20 11:44:33 S 12 59 29.162 -40 37 54.59 V C57
2019-04-20 11:44:33 s 1 -204656.92 7 +132567.01 8430.0 C57
2019-04-20 12:14:33 S 12 59 26.470 -40 37 50.99 V C57
2019-04-20 12:14:33 s 1 -204410.65 8 +130374.69 7900.0 C57
2019-04-20 12:44:33 S 12 59 23.916 -40 37 46.42 V C57
2019-04-20 12:44:33 s 1 -204148.16 8 +128171.98 8120.0 C57
2019-04-20 13:14:33 S 12 59 21.290 -40 37 42.24 V C57
2019-04-20 13:14:33 s 1 -203869.22 4 +125958.90 8110.0 C57
2019-04-20 13:44:33 S 12 59 19.126 -40 37 38.68 V C57
2019-04-20 13:44:33 s 1 -203573.58 9 +123735.47 6870.0 C57
2019-04-20 15:44:33 S 12 59 08.604 -40 37 24.64 V C57
2019-04-20 15:44:33 s 1 -202219.20 9 +114738.60 8580.0 C57
2019-04-20 16:14:33 S 12 59 06.168 -40 37 19.88 V C57
2019-04-20 16:14:33 s 1 -201836.37 5 +112463.72 5220.0 C57
2019-04-20 18:44:33 S 12 58 53.431 -40 37 02.03 V C57
2019-04-20 18:44:33 s 1 -199643.21 1 +100937.04 7590.0 C57
2019-04-20 19:14:33 S 12 58 50.494 -40 36 56.34 V C57
2019-04-20 19:14:33 s 1 -199146.76 4 +98601.532 9220.0 C57
2019-04-20 19:44:33 S 12 58 48.022 -40 36 54.58 V C57
2019-04-20 19:44:33 s 1 -198630.34 5 +96256.081 5550.0 C57
2019-04-20 20:14:33 S 12 58 45.394 -40 36 49.18 V C57
2019-04-20 20:14:33 s 1 -198093.63 9 +93900.744 5210.0 C57
2019-04-20 20:44:33 S 12 58 43.073 -40 36 47.41 V C57
2019-04-20 20:44:33 s 1 -197536.32 4 +91535.583 6800.0 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)