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
2021-03-17 07:14:04 s 1 -193107.49 1 +212371.96 3830.0 C57
2021-03-17 07:24:04 S 11 36 57.583 -13 30 21.42 V C57
2021-03-17 07:24:04 s 1 -193222.78 3 +211764.92 6970.0 C57
2021-03-17 07:34:04 S 11 36 56.774 -13 30 20.20 V C57
2021-03-17 07:34:04 s 1 -193336.93 2 +211156.61 7950.0 C57
2021-03-17 07:44:04 S 11 36 56.134 -13 30 17.46 V C57
2021-03-17 07:44:04 s 1 -193449.93 3 +210547.02 6760.0 C57
2021-03-17 07:54:04 S 11 36 55.632 -13 30 18.18 V C57
2021-03-17 07:54:04 s 1 -193561.78 3 +209936.17 3400.0 C57
2021-03-17 08:04:05 S 11 36 54.581 -13 30 17.68 V C57
2021-03-17 08:04:05 s 1 -193672.47 4 +209324.04 7850.0 C57
2021-03-17 08:24:04 S 11 36 53.309 -13 30 14.83 V C57
2021-03-17 08:24:04 s 1 -193890.36 5 +208095.97 160.0 C57
2021-03-17 08:34:04 S 11 36 52.675 -13 30 16.56 V C57
2021-03-17 08:34:04 s 1 -193997.55 3 +207480.02 8000.0 C57
2021-03-17 08:44:04 S 11 36 52.186 -13 30 11.77 V C57
2021-03-17 08:44:04 s 1 -194103.56 2 +206862.79 3610.0 C57
2021-03-17 08:54:04 S 11 36 51.410 -13 30 10.76 V C57
2021-03-17 08:54:04 s 1 -194208.38 8 +206244.29 6990.0 C57
2021-03-17 09:14:04 S 11 36 50.256 -13 30 09.65 V C57
2021-03-17 09:14:04 s 1 -194414.46 8 +205003.44 7000.0 C57
2021-03-17 09:34:04 S 11 36 48.617 -13 30 07.49 V C57
2021-03-17 09:34:04 s 1 -194615.74 8 +203757.47 7940.0 C57
2021-03-17 09:54:04 S 11 36 47.287 -13 30 04.75 V C57
2021-03-17 09:54:04 s 1 -194812.18 6 +202506.36 9740.0 C57
2021-03-17 10:14:04 S 11 36 45.946 -13 30 03.85 V C57
2021-03-17 10:14:04 s 1 -195003.73 7 +201250.11 2300.0 C57
2021-03-17 10:24:04 S 11 36 45.533 -13 30 04.79 V C57
2021-03-17 10:24:04 s 1 -195097.66 6 +200620.05 5100.0 C57
2021-03-17 10:34:04 S 11 36 44.794 -13 30 04.32 V C57
2021-03-17 10:34:04 s 1 -195190.35 7 +199988.70 5550.0 C57
2021-03-17 10:44:04 S 11 36 44.011 -13 29 59.14 V C57
2021-03-17 10:44:04 s 1 -195281.80 3 +199356.06 3650.0 C57
2021-03-17 10:54:04 S 11 36 43.075 -13 29 58.92 V C57
2021-03-17 10:54:04 s 1 -195371.99 9 +198722.13 9390.0 C57
2021-03-17 11:04:04 S 11 36 42.749 -13 29 56.83 V C57
2021-03-17 11:04:04 s 1 -195460.94 0 +198086.91 2750.0 C57
2021-03-17 11:14:04 S 11 36 41.993 -13 29 56.51 V C57
2021-03-17 11:14:04 s 1 -195548.62 0 +197450.39 3730.0 C57
2021-03-17 11:24:04 S 11 36 41.143 -13 29 58.02 V C57
2021-03-17 11:24:04 s 1 -195635.03 2 +196812.58 2320.0 C57
2021-03-17 11:54:04 S 11 36 39.305 -13 29 52.37 V C57
2021-03-17 11:54:04 s 1 -195886.60 6 +194891.36 3590.0 C57
2021-03-17 12:04:04 S 11 36 38.582 -13 29 56.47 V C57
2021-03-17 12:04:04 s 1 -195967.89 1 +194248.35 2480.0 C57
2021-03-17 12:24:04 S 11 36 37.092 -13 29 49.78 V C57
2021-03-17 12:24:04 s 1 -196126.56 3 +192958.44 2890.0 C57
2021-03-17 12:34:04 S 11 36 36.602 -13 29 51.25 V C57
2021-03-17 12:34:04 s 1 -196203.93 8 +192311.53 4390.0 C57
2021-03-17 12:44:04 S 11 36 35.964 -13 29 48.05 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)