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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678505367016982 9.2175e-08  
a 2.302477536356092 1.9588e-08 au
q 1.916005446135118 2.1229e-07 au
i 6.05341452177343 1.0213e-05 deg
node 86.30543566706119 7.6337e-05 deg
peri 2.804109472100587 8.1559e-05 deg
M 336.7875550885045 2.7127e-05 deg
tp 2458682.782961607513
(2019-Jul-18.28296161)		 9.6613e-05 TDB
period 1276.120042143209
3.49		 1.6285e-05
4.459e-08		 d
yr
n .2821051218625089 3.6e-09 deg/d
Q 2.688949626577065 2.2876e-08 au
   Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      6161 days (16.87 yr)  
   first obs. used      2001-11-20  
   last obs. used      2018-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63099  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:51:41  

Additional Information
 Earth MOID = .932508 au 
 Jupiter MOID = 2.50915 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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