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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034243044902526 9.1138e-08  
a 3.038119113862865 7.0242e-08 au
q 2.723903757553056 3.1149e-07 au
i 16.0394532814927 7.0639e-06 deg
node 95.08056834139748 3.4318e-05 deg
peri 174.5001121405488 7.7157e-05 deg
M 141.8496371306549 8.1203e-05 deg
tp 2458238.365975181601
(2018-Apr-29.86597518)
0.00041906 TDB
period 1934.218898860546
5.30
6.708e-05
1.837e-07
d
yr
n .1861216433217962 6.4548e-09 deg/d
Q 3.352334470172674 7.7507e-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 = 1.70806 au 
 Jupiter MOID = 1.7723 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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