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
2021-03-30 16:14:04 S 11 17 19.726 -12 44 10.68 V C57
2021-03-30 16:14:04 s 1 -191230.64 2 +176971.83 5180.0 C57
2021-03-30 16:24:04 S 11 17 19.044 -12 44 07.91 V C57
2021-03-30 16:24:04 s 1 -191283.36 1 +176281.29 3800.0 C57
2021-03-30 16:34:04 S 11 17 18.643 -12 44 07.80 V C57
2021-03-30 16:34:04 s 1 -191334.56 0 +175589.34 9510.0 C57
2021-03-30 16:44:04 S 11 17 17.928 -12 44 07.01 V C57
2021-03-30 16:44:04 s 1 -191384.23 3 +174895.99 2290.0 C57
2021-03-30 16:54:04 S 11 17 17.230 -12 44 02.69 V C57
2021-03-30 16:54:04 s 1 -191432.37 2 +174201.23 2140.0 C57
2021-03-30 17:04:04 S 11 17 16.663 -12 44 00.28 V C57
2021-03-30 17:04:04 s 1 -191478.96 9 +173505.07 9020.0 C57
2021-03-30 17:14:04 S 11 17 16.111 -12 43 57.07 V C57
2021-03-30 17:14:04 s 1 -191524.01 6 +172807.51 2940.0 C57
2021-03-30 17:24:04 S 11 17 15.281 -12 43 53.76 V C57
2021-03-30 17:24:04 s 1 -191567.50 5 +172108.53 3870.0 C57
2021-03-30 17:34:04 S 11 17 14.966 -12 43 53.36 V C57
2021-03-30 17:34:04 s 1 -191609.42 8 +171408.15 1790.0 C57
2021-03-30 17:44:04 S 11 17 14.018 -12 43 54.88 V C57
2021-03-30 17:44:04 s 1 -191649.77 7 +170706.36 6700.0 C57
2021-03-30 17:54:04 S 11 17 13.478 -12 43 48.94 V C57
2021-03-30 17:54:04 s 1 -191688.54 3 +170003.15 8580.0 C57
2021-03-30 18:04:04 S 11 17 12.967 -12 43 49.80 V C57
2021-03-30 18:04:04 s 1 -191725.71 9 +169298.54 7400.0 C57
2021-03-30 18:14:04 S 11 17 12.437 -12 43 48.79 V C57
2021-03-30 18:14:04 s 1 -191761.29 6 +168592.50 3160.0 C57
2021-03-30 18:24:04 S 11 17 11.894 -12 43 46.96 V C57
2021-03-30 18:24:04 s 1 -191795.26 6 +167885.06 5830.0 C57
2021-03-30 18:34:04 S 11 17 11.194 -12 43 43.61 V C57
2021-03-30 18:34:04 s 1 -191827.62 0 +167176.20 5400.0 C57
2021-03-30 18:54:04 S 11 17 09.804 -12 43 39.32 V C57
2021-03-30 18:54:04 s 1 -191887.44 8 +165754.22 5190.0 C57
2021-03-30 19:04:04 S 11 17 09.444 -12 43 40.33 V C57
2021-03-30 19:04:04 s 1 -191914.90 4 +165041.10 5370.0 C57
2021-03-30 19:24:04 S 11 17 08.167 -12 43 33.42 V C57
2021-03-30 19:24:04 s 1 -191964.85 9 +163610.60 6210.0 C57
2021-03-30 19:34:04 S 11 17 07.579 -12 43 35.33 V C57
2021-03-30 19:34:04 s 1 -191987.33 9 +162893.21 6830.0 C57
2021-03-30 19:54:04 S 11 17 06.418 -12 43 29.82 V C57
2021-03-30 19:54:04 s 1 -192027.26 3 +161454.17 8420.0 C57
2021-03-30 20:14:04 S 11 17 05.268 -12 43 23.38 V C57
2021-03-30 20:14:04 s 1 -192060.40 9 +160009.42 6990.0 C57
2021-03-30 20:24:04 S 11 17 04.531 -12 43 25.07 V C57
2021-03-30 20:24:04 s 1 -192074.41 8 +159284.90 1350.0 C57
2021-03-30 20:34:04 S 11 17 03.725 -12 43 20.03 V C57
2021-03-30 20:34:04 s 1 -192086.70 6 +158558.95 2410.0 C57
2021-03-30 20:44:04 S 11 17 03.113 -12 43 16.61 V C57
2021-03-30 20:44:04 s 1 -192097.26 3 +157831.57 150.0 C57
2021-03-30 20:54:04 S 11 17 02.794 -12 43 17.72 V C57
2021-03-30 20:54:04 s 1 -192106.07 9 +157102.76 4540.0 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)