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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727625740276962 7.8302e-08  
a 2.754379814419058 2.8785e-08 au
q 2.278526067830093 2.1897e-07 au
i 12.01999052437636 5.7826e-06 deg
node 279.8629367908513 4.1408e-05 deg
peri 273.9204019623733 4.6402e-05 deg
M 204.4375337082529 3.0112e-05 deg
tp 2459722.000250802512
(2022-May-22.50025080)
0.00014694 TDB
period 1669.683545655408
4.57
2.6174e-05
7.166e-08
d
yr
n .2156097189414942 3.3799e-09 deg/d
Q 3.230233561008022 3.3758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      8700 days (23.82 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:44:58  

Additional Information
 Earth MOID = 1.3157 au 
 Jupiter MOID = 1.95643 au 
 T_jup = 3.291 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457349.5 (2015-Nov-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724775477754284 7.8441e-08  
q 2.279959534343174 2.1926e-07 au
tp 2458053.745999921949
(2017-Oct-27.24599992)
0.00013114 TDB
node 279.9103377380588 4.1448e-05 deg
peri 274.1545626469467 4.6478e-05 deg
i 12.01211744464645 5.7808e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      8700 days (23.82 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:44:58  

Additional Information
 Jupiter MOID = 1.95643 au 
 T_jup = 3.291 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.152990690569825E-15 -1.709696660017979E-14 -2.571246620783161E-12 -4.01051876437074E-14 -5.619020763021314E-13 6.662459931037696E-15
q -1.709696660017979E-14 4.807533444532589E-14 8.780510111070206E-12 1.296796130508946E-13 1.76856862673626E-12 -1.570973033381938E-14
tp -2.571246620783161E-12 8.780510111070206E-12 1.719672248574106E-8 9.789416660459785E-11 2.892360331883418E-9 -2.735572111434399E-12
node -4.01051876437074E-14 1.296796130508946E-13 9.789416660459785E-11 1.717914917288999E-9 -1.66261299226347E-9 8.119907982915714E-11
peri -5.619020763021314E-13 1.76856862673626E-12 2.892360331883418E-9 -1.66261299226347E-9 2.160173866953359E-9 -8.038087897404723E-11
i 6.662459931037696E-15 -1.570973033381938E-14 -2.735572111434399E-12 8.119907982915714E-11 -8.038087897404723E-11 3.341800562253798E-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

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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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