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85695 (1998 RE61)
Classification: Main-belt Asteroid          SPK-ID: 2085695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705219782246236 1.0218e-07  
a 2.479059982364527 1.514e-08 au
q 2.056325770034228 2.472e-07 au
i 11.37499545606093 6.3071e-06 deg
node 194.0209507099198 2.5117e-05 deg
peri 224.5311973902458 2.8473e-05 deg
M 159.7550357072517 1.3536e-05 deg
tp 2458367.824473594001
(2018-Sep-06.32447359)
5.0803e-05 TDB
period 1425.702723534371
3.90
1.3061e-05
3.576e-08
d
yr
n .2525070577879983 2.3132e-09 deg/d
Q 2.901794194694827 1.7722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      8796 days (24.08 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:28  

Additional Information
 Earth MOID = 1.083 au 
 Jupiter MOID = 2.51817 au 
 T_jup = 3.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456596.5 (2013-Oct-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693709549634801 1.0191e-07  
q 2.060206759255007 2.4613e-07 au
tp 2456942.351517179454
(2014-Oct-11.85151718)
4.7229e-05 TDB
node 194.0652552017366 2.5145e-05 deg
peri 224.7344461765813 2.8568e-05 deg
i 11.36453133701622 6.3019e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      8796 days (24.08 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:28  

Additional Information
 Jupiter MOID = 2.51817 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.038647240785537E-14 -2.505942509915695E-14 -8.604676592412732E-13 -3.533284964407527E-14 -6.743310320615148E-13 -7.842146532403732E-14
q -2.505942509915695E-14 6.05797627926332E-14 2.236460165160121E-12 8.579225761820778E-14 1.656333841514852E-12 1.894163690510585E-13
tp -8.604676592412732E-13 2.236460165160121E-12 2.230541446089815E-9 4.704748127647637E-12 6.268857956692407E-10 3.761165300785759E-12
node -3.533284964407527E-14 8.579225761820778E-14 4.704748127647637E-12 6.322504618893392E-10 -6.17067347418122E-10 7.448686093093573E-11
peri -6.743310320615148E-13 1.656333841514852E-12 6.268857956692407E-10 -6.17067347418122E-10 8.161530868372791E-10 -6.85777741702783E-11
i -7.842146532403732E-14 1.894163690510585E-13 3.761165300785759E-12 7.448686093093573E-11 -6.85777741702783E-11 3.971366913070726E-11

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 16.5   n/a MPO468827  

85695 (1998 RE61)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RE61 = 1998 UZ45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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