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357120 (2001 WU99)
Classification: Main-belt Asteroid          SPK-ID: 2357120
[ 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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167762583237284 7.5021e-08  
a 2.302063974769194 1.8431e-08 au
q 1.915863775584424 1.6861e-07 au
i 6.053354264838302 8.3432e-06 deg
node 86.30437525895847 7.5798e-05 deg
peri 2.730885176969542 8.0944e-05 deg
M 89.70856382545759 2.7516e-05 deg
tp 2458682.588738086901
(2019-Jul-18.08873809)		 9.5826e-05 TDB
period 1275.776240397658
3.49		 1.5322e-05
4.195e-08		 d
yr
n .2821811447811478 3.3889e-09 deg/d
Q 2.688264173953964 2.1523e-08 au
   Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2001-11-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:13:37  

Additional Information
 Earth MOID = .932359 au 
 Jupiter MOID = 2.50916 au 
 T_jup = 3.564 
[ 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 18.1   n/a MPO460409  

357120 (2001 WU99)          Discovered 2001-Nov-20 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2001 WU99 = 2008 VX23 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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