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494861 (2008 EH36)
Classification: Main-belt Asteroid          SPK-ID: 2494861
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991107006884865 4.8986e-08  
a 2.650125256894053 1.9514e-08 au
q 2.122456960081622 1.283e-07 au
i 13.33667076526312 9.1453e-06 deg
node 165.9050558913554 3.2923e-05 deg
peri 328.3994406317187 4.5209e-05 deg
M 60.96861997327257 2.9297e-05 deg
tp 2459129.628686799074
(2020-Oct-07.12868680)
0.00012764 TDB
period 1575.788869658688
4.31
1.7405e-05
4.765e-08
d
yr
n .2284570013989089 2.5234e-09 deg/d
Q 3.177793553706483 2.34e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      4822 days (13.20 yr)  
   first obs. used      2008-02-28  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60707  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:37:50  

Additional Information
 Earth MOID = 1.14719 au 
 Jupiter MOID = 1.88896 au 
 T_jup = 3.324 
[ show covariance matrix ]

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 17.53   n/a MPCxxxxx  

494861 (2008 EH36)          Discovered 2008-Feb-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-06-12

[ show close-approach data ]
Alternate Designations
 2008 EH36 = 2012 DE28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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