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185642 (2008 EV88)
Classification: Main-belt Asteroid          SPK-ID: 2185642
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727625791200102 7.737e-08  
a 2.754379815609898 2.8651e-08 au
q 2.278526054789034 2.1678e-07 au
i 12.01999075007063 5.7399e-06 deg
node 279.8629386856219 4.0939e-05 deg
peri 273.9203997359873 4.5987e-05 deg
M 204.4375335123484 3.0107e-05 deg
tp 2459722.000252179024
(2022-May-22.50025218)
0.0001469 TDB
period 1669.683546738225
4.57
2.6052e-05
7.133e-08
d
yr
n .2156097188016678 3.3642e-09 deg/d
Q 3.230233576430763 3.3601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      8790 days (24.07 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:10:52  

Additional Information
 Earth MOID = 1.3157 au 
 Jupiter MOID = 1.95643 au 
 T_jup = 3.291 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457362.5 (2015-Dec-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724918023824294 7.751e-08  
q 2.279888335080148 2.1707e-07 au
tp 2458053.743470794760
(2017-Oct-27.24347079)
0.00013112 TDB
node 279.9098149081272 4.0978e-05 deg
peri 274.1575661695298 4.606e-05 deg
i 12.01216998478941 5.7381e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      8790 days (24.07 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:10:52  

Additional Information
 Jupiter MOID = 1.95643 au 
 T_jup = 3.291 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.007741719615955E-15 -1.672479175834568E-14 -2.58028077276181E-12 -3.877700621554424E-14 -5.527216514029646E-13 6.469924956921876E-15
q -1.672479175834568E-14 4.712148528704661E-14 8.803303549019914E-12 1.258915985961305E-13 1.745397406426342E-12 -1.525538609789085E-14
tp -2.58028077276181E-12 8.803303549019914E-12 1.719323445122025E-8 1.001629084654997E-10 2.890336334423791E-9 -2.501079764766644E-12
node -3.877700621554424E-14 1.258915985961305E-13 1.001629084654997E-10 1.679228520450791E-9 -1.624378304179722E-9 7.683526418873469E-11
peri -5.527216514029646E-13 1.745397406426342E-12 2.890336334423791E-9 -1.624378304179722E-9 2.12155869421677E-9 -7.604387985183553E-11
i 6.469924956921876E-15 -1.525538609789085E-14 -2.501079764766644E-12 7.683526418873469E-11 -7.604387985183553E-11 3.292570125855536E-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 15.0   n/a MPO454278  

185642 (2008 EV88)          Discovered 2008-Mar-08 by Lowe, A. at Mayhill
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2008 EV88 = 1996 TU15 = 1999 CL113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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