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187722 (2008 EN136)
Classification: Main-belt Asteroid          SPK-ID: 2187722
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07155055990581045 9.0412e-08  
a 2.181654364310635 1.7584e-08 au
q 2.025555773023254 2.0805e-07 au
i 4.934233197716472 8.2537e-06 deg
node 56.32315108291735 5.3426e-05 deg
peri 96.60916706933138 8.2699e-05 deg
M 13.6325464589132 6.8034e-05 deg
tp 2459155.929055910202
(2020-Nov-02.42905591)		 0.00022213 TDB
period 1177.002397951584
3.22		 1.423e-05
3.896e-08		 d
yr
n .3058617387921486 3.6978e-09 deg/d
Q 2.337752955598016 1.8842e-08 au
   Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      5880 days (16.10 yr)  
   first obs. used      2003-10-23  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58623  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:14:04  

Additional Information
 Earth MOID = 1.04217 au 
 Jupiter MOID = 2.6456 au 
 T_jup = 3.672 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO454293  

187722 (2008 EN136)          Discovered 2008-Mar-11 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2008 EN136 = 2006 SZ336 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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