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172738 (2004 CF12)
Classification: Main-belt Asteroid          SPK-ID: 2172738
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06668422161664968 4.6779e-08  
a 3.000128162198612 2.8138e-08 au
q 2.800066950952207 1.4169e-07 au
i 10.42945245995775 4.4811e-06 deg
node 130.8569539959485 2.9152e-05 deg
peri 71.80137205360488 4.4921e-05 deg
M 7.693812266220808 3.5785e-05 deg
tp 2458959.935397677625
(2020-Apr-20.43539768)
0.00018847 TDB
period 1898.052139921535
5.20
2.6703e-05
7.311e-08
d
yr
n .1896681299887169 2.6683e-09 deg/d
Q 3.200189373445016 3.0014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      6691 days (18.32 yr)  
   first obs. used      2001-10-10  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:53:21  

Additional Information
 Earth MOID = 1.82041 au 
 Jupiter MOID = 1.83532 au 
 T_jup = 3.225 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO427053  
diameter diameter 3.403 km 1.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172738 (2004 CF12)          Discovered 2004-Feb-11 by CSS at Catalina
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 CF12 = 2001 TY130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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