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
2019-04-18 14:14:33 S 13 03 17.232 -40 42 22.79 V C57
2019-04-18 14:14:33 s 1 -179558.28 2 +289500.25 930.0 C57
2019-04-18 14:44:33 S 13 03 14.630 -40 42 19.80 V C57
2019-04-18 14:44:33 s 1 -180197.29 5 +288213.16 5160.0 C57
2019-04-18 15:14:33 S 13 03 12.065 -40 42 18.97 V C57
2019-04-18 15:14:33 s 1 -180830.49 2 +286916.83 2910.0 C57
2019-04-18 15:44:33 S 13 03 09.833 -40 42 16.02 V C57
2019-04-18 15:44:33 s 1 -181457.81 8 +285611.22 3960.0 C57
2019-04-18 16:44:33 S 13 03 04.790 -40 42 11.12 V C57
2019-04-18 16:44:33 s 1 -182694.63 5 +282972.18 5060.0 C57
2019-04-18 17:14:33 S 13 03 02.208 -40 42 10.66 V C57
2019-04-18 17:14:33 s 1 -183304.01 2 +281638.70 4650.0 C57
2019-04-18 17:44:33 S 13 02 59.947 -40 42 06.55 V C57
2019-04-18 17:44:33 s 1 -183907.29 2 +280295.90 6650.0 C57
2019-04-18 18:14:33 S 13 02 57.595 -40 42 05.40 V C57
2019-04-18 18:14:33 s 1 -184504.41 7 +278943.77 800.0 C57
2019-04-18 18:44:33 S 13 02 54.953 -40 42 01.66 V C57
2019-04-18 18:44:33 s 1 -185095.32 7 +277582.29 6870.0 C57
2019-04-18 19:14:33 S 13 02 52.459 -40 41 58.27 V C57
2019-04-18 19:14:33 s 1 -185679.96 2 +276211.44 4630.0 C57
2019-04-18 23:44:33 S 13 02 30.082 -40 41 33.76 V C57
2019-04-18 23:44:33 s 1 -190649.10 4 +263449.80 9160.0 C57
2019-04-19 00:14:33 S 13 02 27.830 -40 41 40.16 V C57
2019-04-19 00:14:33 s 1 -191167.54 0 +261984.44 9890.0 C57
2019-04-19 01:14:33 S 13 02 22.606 -40 41 31.38 V C57
2019-04-19 01:14:33 s 1 -192183.39 3 +259025.08 7590.0 C57
2019-04-19 01:44:33 S 13 02 20.273 -40 41 25.51 V C57
2019-04-19 01:44:33 s 1 -192680.66 9 +257531.06 3990.0 C57
2019-04-19 02:14:33 S 13 02 17.590 -40 41 22.49 V C57
2019-04-19 02:14:33 s 1 -193170.74 9 +256027.44 8380.0 C57
2019-04-19 02:44:33 S 13 02 15.214 -40 41 21.44 V C57
2019-04-19 02:44:33 s 1 -193653.56 2 +254514.22 460.0 C57
2019-04-19 03:14:33 S 13 02 12.617 -40 41 19.14 V C57
2019-04-19 03:14:33 s 1 -194129.03 3 +252991.38 9950.0 C57
2019-04-19 03:44:33 S 13 02 10.126 -40 41 14.53 V C57
2019-04-19 03:44:33 s 1 -194597.08 8 +251458.89 6530.0 C57
2019-04-19 04:14:33 S 13 02 07.778 -40 41 12.34 V C57
2019-04-19 04:14:33 s 1 -195057.65 2 +249916.75 9910.0 C57
2019-04-19 04:44:33 S 13 02 05.318 -40 41 10.46 V C57
2019-04-19 04:44:33 s 1 -195510.64 8 +248364.94 9780.0 C57
2019-04-19 05:44:33 S 13 01 59.983 -40 41 02.51 V C57
2019-04-19 05:44:33 s 1 -196393.62 4 +245232.22 7720.0 C57
2019-04-19 06:14:33 S 13 01 57.612 -40 41 01.82 V C57
2019-04-19 06:14:33 s 1 -196823.44 6 +243651.29 5160.0 C57
2019-04-19 06:44:33 S 13 01 55.195 -40 40 58.87 V C57
2019-04-19 06:44:33 s 1 -197245.38 2 +242060.61 7800.0 C57
2019-04-19 07:14:33 S 13 01 52.862 -40 40 56.93 V C57
2019-04-19 07:14:33 s 1 -197659.35 1 +240460.17 5320.0 C57
2019-04-19 07:44:33 S 13 01 50.388 -40 40 53.98 V C57
2019-04-19 07:44:33 s 1 -198065.26 9 +238849.95 7390.0 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)