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 21:34:04 s 1 -198252.25 7 +155413.10 1810.0 C57
2021-03-17 21:44:04 S 11 35 59.474 -13 28 55.81 V C57
2021-03-17 21:44:04 s 1 -198246.94 2 +154692.89 6620.0 C57
2021-03-17 21:54:04 S 11 35 58.978 -13 28 54.16 V C57
2021-03-17 21:54:04 s 1 -198239.90 2 +153971.31 8150.0 C57
2021-03-17 22:04:04 S 11 35 58.066 -13 28 49.04 V C57
2021-03-17 22:04:04 s 1 -198231.12 8 +153248.38 6390.0 C57
2021-03-17 22:14:04 S 11 35 57.288 -13 28 48.50 V C57
2021-03-17 22:14:04 s 1 -198220.61 0 +152524.09 1320.0 C57
2021-03-17 22:24:04 S 11 35 56.611 -13 28 50.77 V C57
2021-03-17 22:24:04 s 1 -198208.33 9 +151798.44 2930.0 C57
2021-03-17 22:34:04 S 11 35 55.901 -13 28 48.97 V C57
2021-03-17 22:34:04 s 1 -198194.30 6 +151071.43 1190.0 C57
2021-03-17 22:44:04 S 11 35 54.943 -13 28 52.03 V C57
2021-03-17 22:44:04 s 1 -198178.50 2 +150343.05 6080.0 C57
2021-03-17 22:54:04 S 11 35 54.780 -13 28 44.15 V C57
2021-03-17 22:54:04 s 1 -198160.91 8 +149613.31 7590.0 C57
2021-03-17 23:04:04 S 11 35 53.870 -13 28 47.75 V C57
2021-03-17 23:04:04 s 1 -198141.54 3 +148882.21 5710.0 C57
2021-03-17 23:34:04 S 11 35 51.910 -13 28 43.00 V C57
2021-03-17 23:34:04 s 1 -198072.58 3 +146680.72 9460.0 C57
2021-03-17 23:44:04 S 11 35 51.307 -13 28 43.28 V C57
2021-03-17 23:44:04 s 1 -198045.95 1 +145944.15 3790.0 C57
2021-03-17 23:54:04 S 11 35 50.498 -13 28 43.10 V C57
2021-03-17 23:54:04 s 1 -198017.48 2 +145206.23 4630.0 C57
2021-03-18 00:04:04 S 11 35 49.942 -13 28 39.76 V C57
2021-03-18 00:04:04 s 1 -197987.16 3 +144466.93 1960.0 C57
2021-03-18 00:14:04 S 11 35 49.387 -13 28 39.29 V C57
2021-03-18 00:14:04 s 1 -197954.98 7 +143726.26 5750.0 C57
2021-03-18 00:24:04 S 11 35 48.619 -13 28 36.88 V C57
2021-03-18 00:24:04 s 1 -197920.94 2 +142984.23 6000.0 C57
2021-03-18 00:34:04 S 11 35 47.518 -13 28 39.83 V C57
2021-03-18 00:34:04 s 1 -197885.01 8 +142240.83 2670.0 C57
2021-03-18 00:44:04 S 11 35 47.040 -13 28 35.94 V C57
2021-03-18 00:44:04 s 1 -197847.20 6 +141496.06 5760.0 C57
2021-03-18 00:54:04 S 11 35 46.354 -13 28 35.69 V C57
2021-03-18 00:54:04 s 1 -197807.49 4 +140749.92 5230.0 C57
2021-03-18 01:04:04 S 11 35 45.775 -13 28 34.28 V C57
2021-03-18 01:04:04 s 1 -197765.87 3 +140002.40 1080.0 C57
2021-03-18 01:14:04 S 11 35 45.002 -13 28 29.50 V C57
2021-03-18 01:14:04 s 1 -197722.33 2 +139253.52 3280.0 C57
2021-03-18 01:34:04 S 11 35 43.507 -13 28 29.78 V C57
2021-03-18 01:34:04 s 1 -197629.44 8 +137751.65 6640.0 C57
2021-03-18 01:44:04 S 11 35 43.032 -13 28 31.30 V C57
2021-03-18 01:44:04 s 1 -197580.08 4 +136998.65 7770.0 C57
2021-03-18 01:54:04 S 11 35 42.298 -13 28 26.87 V C57
2021-03-18 01:54:04 s 1 -197528.75 7 +136244.28 5170.0 C57
2021-03-18 02:04:04 S 11 35 41.681 -13 28 27.66 V C57
2021-03-18 02:04:04 s 1 -197475.45 7 +135488.54 8810.0 C57
2021-03-18 02:14:04 S 11 35 40.956 -13 28 26.04 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)