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JPL Small-Body Database Browser
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295690 (2008 TP138)
Classification: Main-belt Asteroid          SPK-ID: 2295690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937212091919145 8.0698e-08  
a 2.199286260217189 3.0472e-08 au
q 1.773237866528752 1.9585e-07 au
i 2.786728108507794 7.5869e-06 deg
node 321.5298012961613 0.00013279 deg
peri 335.2482632901618 0.0001347 deg
M 271.8490983507075 2.7059e-05 deg
tp 2459292.205976094773
(2021-Mar-18.70597609)
9.3727e-05 TDB
period 1191.299798746427
3.26
2.4759e-05
6.779e-08
d
yr
n .3021909349592927 6.2804e-09 deg/d
Q 2.625334653905627 3.6375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      5187 days (14.20 yr)  
   first obs. used      2005-11-12  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56016  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:41:44  

Additional Information
 Earth MOID = .757863 au 
 Jupiter MOID = 2.57923 au 
 T_jup = 3.640 
[ 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 17.7   n/a MPO471117  

295690 (2008 TP138)          Discovered 2008-Oct-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 TP138 = 2005 WT20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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