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117138 (2004 PS85)
Classification: Main-belt Asteroid          SPK-ID: 2117138
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2292650145051384 3.3014e-08  
a 2.344296481058873 1.136e-08 au
q 1.806831314324565 7.8315e-08 au
i 3.128186811633624 4.083e-06 deg
node 77.71529162839136 7.4866e-05 deg
peri 245.100495161221 7.5416e-05 deg
M 166.0727159178478 1.1488e-05 deg
tp 2458395.698279898544
(2018-Oct-04.19827990)
3.9298e-05 TDB
period 1311.043888414696
3.59
9.5298e-06
2.609e-08
d
yr
n .274590349858775 1.996e-09 deg/d
Q 2.881761647793181 1.3965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      8702 days (23.82 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:43:29  

Additional Information
 Earth MOID = .797155 au 
 Jupiter MOID = 2.45082 au 
 T_jup = 3.524 
[ 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 16.1   n/a MPO449685  

117138 (2004 PS85)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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