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101395 (1998 UB39)
Classification: Main-belt Asteroid          SPK-ID: 2101395
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073122488266239 5.6167e-08  
a 2.331031614696434 1.0648e-08 au
q 1.84778020856776 1.316e-07 au
i 7.651251381554237 6.58e-06 deg
node 33.41514945469832 4.4246e-05 deg
peri 356.9783484822469 4.6765e-05 deg
M 24.54779451585546 1.7713e-05 deg
tp 2458911.859815593587
(2020-Mar-03.35981559)
6.3623e-05 TDB
period 1299.932112666894
3.56
8.9073e-06
2.439e-08
d
yr
n .2769375388853476 1.8976e-09 deg/d
Q 2.814283020825108 1.2856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      10054 days (27.53 yr)  
   first obs. used      1993-04-14  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:51  

Additional Information
 Earth MOID = .853395 au 
 Jupiter MOID = 2.63023 au 
 T_jup = 3.530 
[ 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 16.1   n/a MPO474888  

101395 (1998 UB39)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 UB39 = 1998 VK8 = 2003 AG66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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