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216655 (2003 UA142)
Classification: Main-belt Asteroid          SPK-ID: 2216655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355708318958935 3.9708e-08  
a 2.232835265142626 1.2285e-08 au
q 1.930127930760752 8.925e-08 au
i 6.974724263446427 5.1131e-06 deg
node 113.1707575152806 3.8056e-05 deg
peri 241.1269041820506 4.3906e-05 deg
M 68.53305831815777 2.4723e-05 deg
tp 2458968.503697624653
(2020-Apr-29.00369762)
8.3153e-05 TDB
period 1218.662509812389
3.34
1.0058e-05
2.754e-08
d
yr
n .295405821629338 2.438e-09 deg/d
Q 2.535542599524499 1.3951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      7353 days (20.13 yr)  
   first obs. used      2000-11-27  
   last obs. used      2021-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:43  

Additional Information
 Earth MOID = .933755 au 
 Jupiter MOID = 2.88229 au 
 T_jup = 3.619 
[ 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 17.20   n/a MPCxxxxx  

216655 (2003 UA142)          Discovered 2003-Oct-18 by LONEOS at Anderson Mesa
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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