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JPL Small-Body Database Browser
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442745 (2012 WG15)
Classification: Main-belt Asteroid          SPK-ID: 2442745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778189013714131 6.729e-08  
a 2.364725829755906 3.3892e-08 au
q 1.944232880664107 1.5702e-07 au
i 2.941620820395498 1.5248e-05 deg
node 114.196231180925 0.00014207 deg
peri 290.827872659099 0.0001516 deg
M 289.4647130714585 5.4119e-05 deg
tp 2458860.739703934380
(2020-Jan-12.23970393)
0.00020329 TDB
period 1328.218789430735
3.64
2.8555e-05
7.818e-08
d
yr
n .2710396832695715 5.827e-09 deg/d
Q 2.785218778847704 3.9919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      4060 days (11.12 yr)  
   first obs. used      2006-01-07  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5886  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:25:41  

Additional Information
 Earth MOID = .955355 au 
 Jupiter MOID = 2.60342 au 
 T_jup = 3.525 
[ 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 18.5   n/a MPO402749  

442745 (2012 WG15)          Discovered 2006-Jan-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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