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442466 (2011 UW285)
Classification: Main-belt Asteroid          SPK-ID: 2442466
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 .05060557589398527 8.708e-08  
a 2.871404521579808 6.9493e-08 au
q 2.726095442140669 2.8864e-07 au
i 3.192514808301636 8.5789e-06 deg
node 116.2925960835454 0.0001361 deg
peri 187.5585149345609 0.00015613 deg
M 356.4404330325463 7.8551e-05 deg
tp 2459018.072544989881
(2020-Jun-17.57254499)
0.00038797 TDB
period 1777.215109084649
4.87
6.4518e-05
1.766e-07
d
yr
n .2025641117722757 7.3536e-09 deg/d
Q 3.016713601018948 7.301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4575 days (12.53 yr)  
   first obs. used      2006-11-17  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68043  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:41:10  

Additional Information
 Earth MOID = 1.71079 au 
 Jupiter MOID = 2.09948 au 
 T_jup = 3.294 
[ 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 17.0   n/a MPO477089  

442466 (2011 UW285)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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