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185639 Rainerkling (2008 EH8)
Classification: Main-belt Asteroid          SPK-ID: 2185639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09719336273616179 3.9196e-08  
a 2.23848004692129 1.1065e-08 au
q 2.020914643743209 8.8438e-08 au
i 2.105107055703035 4.3871e-06 deg
node 319.9734790849381 0.00011846 deg
peri 230.9473006071827 0.00012081 deg
M 335.5208965875665 2.52e-05 deg
tp 2459479.680451713438
(2021-Sep-22.18045171)
8.5904e-05 TDB
period 1223.286740217292
3.35
9.0701e-06
2.483e-08
d
yr
n .2942891377503636 2.182e-09 deg/d
Q 2.456045450099372 1.214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      8931 days (24.45 yr)  
   first obs. used      1996-10-04  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:13:17  

Additional Information
 Earth MOID = 1.02239 au 
 Jupiter MOID = 2.50318 au 
 T_jup = 3.629 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457502.5 (2016-Apr-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0969493584613445 3.9282e-08  
q 2.021496472182513 8.8602e-08 au
tp 2457034.191921308505
(2015-Jan-11.69192131)
7.9587e-05 TDB
node 320.045714417388 0.0001185 deg
peri 231.1673062142945 0.00012085 deg
i 2.104785046433442 4.3859e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      8931 days (24.45 yr)  
   first obs. used      1996-10-04  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:13:17  

Additional Information
 Jupiter MOID = 2.50318 au 
 T_jup = 3.629 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.543044151916584E-15 -3.458355894331264E-15 1.029178381151351E-13 -5.888965242039185E-15 6.17188177040781E-15 -1.223114683180813E-15
q -3.458355894331264E-15 7.850277166281791E-15 -3.078805342584549E-14 1.305856628171499E-14 5.374741914982382E-14 2.768711701343917E-15
tp 1.029178381151351E-13 -3.078805342584549E-14 6.334016964409377E-9 6.499423736480064E-12 1.902875379459054E-9 -1.018265849571589E-12
node -5.888965242039185E-15 1.305856628171499E-14 6.499423736480064E-12 1.404136325586578E-8 -1.402948664523895E-8 -4.754289431592829E-11
peri 6.17188177040781E-15 5.374741914982382E-14 1.902875379459054E-9 -1.402948664523895E-8 1.460430183225481E-8 4.720918821163197E-11
i -1.223114683180813E-15 2.768711701343917E-15 -1.018265849571589E-12 -4.754289431592829E-11 4.720918821163197E-11 1.9235865517623E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.67   n/a MPCxxxxx  

185639 Rainerkling           Discovered 2008 Mar. 2 at the Observatorio de La Sagra.
Rainer Kling (b. 1952) is a German amateur astronomer who initiated, together with Erwin Schwab, the astrometric program at the Taunus Observatory. Kling is an ardent observer who has discovered numerous minor planets, including the Apollo-type object 2009 DM 45 .
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

Alternate Designations
 2008 EH8 = 1999 RD244 = 2006 ST149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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