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JPL Small-Body Database Browser
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212903 (2007 WZ38)
Classification: Main-belt Asteroid          SPK-ID: 2212903
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1711697766176054 5.0625e-08  
a 3.164099347794016 3.4154e-08 au
q 2.622501169236203 1.6881e-07 au
i 5.498607480722817 6.9527e-06 deg
node 34.87112294866323 5.7942e-05 deg
peri 65.67536708893567 6.1675e-05 deg
M 354.3198859289333 2.0176e-05 deg
tp 2458632.936064133701
(2019-May-29.43606413)
0.00011536 TDB
period 2055.765595908102
5.63
3.3285e-05
9.113e-08
d
yr
n .1751172413414068 2.8354e-09 deg/d
Q 3.705697526351829 4e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      8487 days (23.24 yr)  
   first obs. used      1995-09-18  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63641  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:21:09  

Additional Information
 Earth MOID = 1.64547 au 
 Jupiter MOID = 1.50748 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 15.8   n/a MPO418140  

212903 (2007 WZ38)          Discovered 2007-Nov-19 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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