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233540 (2007 JS12)
Classification: Main-belt Asteroid          SPK-ID: 2233540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1036125817597113 9.1462e-08  
a 3.036930405638381 7.0374e-08 au
q 2.722266205685621 3.1256e-07 au
i 16.03948358596466 7.0642e-06 deg
node 95.08097646829333 3.4325e-05 deg
peri 174.2911828615872 7.6969e-05 deg
M 67.58344253732999 7.9297e-05 deg
tp 2458237.598723679503
(2018-Apr-29.09872368)
0.00041768 TDB
period 1933.083823056468
5.29
6.7192e-05
1.84e-07
d
yr
n .1862309309643858 6.4732e-09 deg/d
Q 3.351594605591142 7.7666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2001-03-24  
   last obs. used      2018-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64914  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:00:22  

Additional Information
 Earth MOID = 1.70599 au 
 Jupiter MOID = 1.77175 au 
 T_jup = 3.174 
[ 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 15.2   n/a MPO454689  
diameter diameter 5.645 km 0.407 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233540 (2007 JS12)          Discovered 2007-May-07 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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