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JPL Small-Body Database Browser
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233991 (1995 WU23)
Classification: Main-belt Asteroid          SPK-ID: 2233991
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05768343201462056 5.8444e-08  
a 2.609789793720726 2.3164e-08 au
q 2.459248161582186 1.5261e-07 au
i 3.173689902381151 6.2558e-06 deg
node 33.08661592605973 0.00011073 deg
peri 104.5953887078319 0.00012324 deg
M 109.2453116943164 5.1453e-05 deg
tp 2458133.187899429420
(2018-Jan-14.68789943)
0.00022085 TDB
period 1539.950352067705
4.22
2.0503e-05
5.613e-08
d
yr
n .2337737703794312 3.1124e-09 deg/d
Q 2.760331425859266 2.4501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1995-11-18  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:48:59  

Additional Information
 Earth MOID = 1.47528 au 
 Jupiter MOID = 2.23999 au 
 T_jup = 3.406 
[ 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 16.5   n/a MPO437099  

233991 (1995 WU23)          Discovered 1995-Nov-18 by Spacewatch at Kitt Peak
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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