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117304 (2004 VR12)
Classification: Main-belt Asteroid          SPK-ID: 2117304
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478374227275404 9.642e-08  
a 2.969174594029693 2.7281e-08 au
q 2.530219474420252 2.994e-07 au
i 12.40844999309986 9.2179e-06 deg
node 18.11883262666582 1.6546e-05 deg
peri 10.58673927286375 2.3332e-05 deg
M 34.79572928255428 1.4107e-05 deg
tp 2458819.875992750338
(2019-Dec-02.37599275)		 7.2801e-05 TDB
period 1868.753549662777
5.12		 2.5755e-05
7.051e-08		 d
yr
n .1926417745480474 2.655e-09 deg/d
Q 3.408129713639134 3.1314e-08 au
   Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      7392 days (20.24 yr)  
   first obs. used      1999-11-01  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:45:12  

Additional Information
 Earth MOID = 1.53568 au 
 Jupiter MOID = 2.06008 au 
 T_jup = 3.212 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO410711  
diameter diameter 3.886 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117304 (2004 VR12)          Discovered 2004-Nov-03 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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