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JPL Small-Body Database Browser
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442514 (2011 WR75)
Classification: Main-belt Asteroid          SPK-ID: 2442514
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278695373309095 1.3466e-07  
a 2.777529775373055 7.155e-08 au
q 2.422368328073278 4.2615e-07 au
i 11.66228033956982 7.4802e-06 deg
node 251.605762298606 3.8447e-05 deg
peri 89.42383402501464 5.9359e-05 deg
M 3.55317649172321 3.6749e-05 deg
tp 2458983.812134485408
(2020-May-14.31213449)
0.00017251 TDB
period 1690.777702500114
4.63
6.5333e-05
1.789e-07
d
yr
n .2129197702735708 8.2274e-09 deg/d
Q 3.132691222672833 8.07e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1997-12-01  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:20  

Additional Information
 Earth MOID = 1.44896 au 
 Jupiter MOID = 2.29323 au 
 T_jup = 3.293 
[ 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 16.6   n/a MPO477090  

442514 (2011 WR75)          Discovered 2006-Sep-16 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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