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243440 Colonia (2009 FD2)
Classification: Main-belt Asteroid          SPK-ID: 2243440
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094774965132787 9.8517e-08  
a 2.804114185906345 4.5645e-08 AU
q 2.216715366305313 2.8375e-07 AU
i 3.41880180022991 8.0216e-06 deg
node 141.141537822385 0.00021653 deg
peri 122.8178975042649 0.00021887 deg
M 17.82338203933495 2.8042e-05 deg
tp 2456915.585944359420
(2014-Sep-15.08594436)
0.00013377 JED
period 1715.109958544634
4.70
4.1878e-05
1.147e-07
d
yr
n .2098990786022139 5.1251e-09 deg/d
Q 3.391513005507377 5.5207e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      7003 days (19.17 yr)  
   first obs. used      1995-04-24  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58871  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 20:24:45  

Additional Information
 Earth MOID = 1.20481 AU 
 T_jup = 3.289 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8 mag n/a MPO254435  

243440 Colonia           Discovered 2009 Mar. 17 by S. Karge and E. Schwab at Taunus.
Colonia (Colonia Claudia Ara Agrippinensium) is the Roman name for Köln, Germany's fourth-largest city, founded in the year 38 BC by the Romans. It was the birthplace of Agrippina, sister of Caligula and mother of Nero. Köln's gothic cathedral is one of the world's largest churches and a world heritage site.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110517/MPCPages.arcLast Updated: 2011-06-24

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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