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136807 (1997 EQ38)
Classification: Outer Main-belt Asteroid          SPK-ID: 2136807
[ 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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2529236532072383 7.3587e-08  
a 3.263787040627908 2.7838e-08 au
q 2.438298099021857 2.3146e-07 au
i 1.482392567440543 6.6369e-06 deg
node 327.550904393854 0.00024591 deg
peri 199.4146364724629 0.00024617 deg
M 266.3761063711369 1.406e-05 deg
tp 2459160.599706617196
(2020-Nov-07.09970662)		 8.9529e-05 TDB
period 2153.679862765597
5.90		 2.7554e-05
7.544e-08		 d
yr
n .1671557626664692 2.1386e-09 deg/d
Q 4.08927598223396 3.4879e-08 au
   Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      8026 days (21.97 yr)  
   first obs. used      1997-01-30  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:27:31  

Additional Information
 Earth MOID = 1.4459 au 
 Jupiter MOID = .897895 au 
 T_jup = 3.126 
[ 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 14.8   n/a MPO325422  
diameter diameter 6.550 km 0.386 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136807 (1997 EQ38)          Discovered 1997-Mar-05 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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