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JPL Small-Body Database Browser
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215142 (1999 UO39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2215142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06322775799607951 5.7721e-08  
a 3.236141780964003 4.3332e-08 au
q 3.03152779159621 1.9116e-07 au
i 2.309362713380531 6.8292e-06 deg
node 167.3232176466258 0.00016244 deg
peri 96.25853130230847 0.00017184 deg
M 231.7287699127661 5.8487e-05 deg
tp 2459358.146282166251
(2021-May-23.64628217)
0.00035055 TDB
period 2126.374412986905
5.82
4.2708e-05
1.169e-07
d
yr
n .1693022629511 3.4004e-09 deg/d
Q 3.440755770331797 4.6072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      7052 days (19.31 yr)  
   first obs. used      1999-10-19  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:36:44  

Additional Information
 Earth MOID = 2.01663 au 
 Jupiter MOID = 1.6001 au 
 T_jup = 3.181 
[ 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 15.9   n/a MPO433408  

215142 (1999 UO39)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 1999 UO39 = 2005 UK255 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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