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JPL Small-Body Database Browser
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154303 (2002 UW20)
Classification: Main-belt Asteroid          SPK-ID: 2154303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0464633589041925 1.764e-07  
a 2.535220968274051 1.8112e-08 au
q 2.4174260865237 4.5552e-07 au
i 5.150426124623536 5.9201e-06 deg
node 243.8167134900317 6.7809e-05 deg
peri 190.5278245031101 0.00046306 deg
M 101.0466977652957 0.00044854 deg
tp 2458586.651125387419
(2019-Apr-13.15112539)
0.0018348 TDB
period 1474.423193982871
4.04
1.58e-05
4.326e-08
d
yr
n .2441632778629378 2.6165e-09 deg/d
Q 2.653015850024403 1.8954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      7367 days (20.17 yr)  
   first obs. used      1998-11-18  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59803  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:58:47  

Additional Information
 Earth MOID = 1.43228 au 
 Jupiter MOID = 2.48197 au 
 T_jup = 3.441 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO320645  

154303 (2002 UW20)          Discovered 2002-Oct-28 by NEAT at Haleakala
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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