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332635 (2008 UB18)
Classification: Main-belt Asteroid          SPK-ID: 2332635
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04435163658064311 5.5593e-08  
a 2.872257512235709 3.4664e-08 au
q 2.744868190887009 1.6352e-07 au
i 2.639275339057873 5.5493e-06 deg
node 43.14714936389321 0.00013678 deg
peri 260.3992960446665 0.00015057 deg
M 214.2660082283449 6.4061e-05 deg
tp 2459720.266861872764
(2022-May-20.76686187)
0.0003183 TDB
period 1778.007087599672
4.87
3.2187e-05
8.812e-08
d
yr
n .202473883546777 3.6653e-09 deg/d
Q 2.999646833584409 3.6201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      5978 days (16.37 yr)  
   first obs. used      2003-09-21  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61427  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:09:47  

Additional Information
 Earth MOID = 1.73112 au 
 Jupiter MOID = 2.09867 au 
 T_jup = 3.294 
[ 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 16.7   n/a MPO423233  

332635 (2008 UB18)          Discovered 2008-Oct-18 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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