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71680 (2000 EJ201)
Classification: Main-belt Asteroid          SPK-ID: 2071680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06980898261460723 5.285e-08  
a 3.046142738524064 1.9956e-08 au
q 2.833494613048825 1.6655e-07 au
i 20.92231271485486 4.3128e-06 deg
node 92.65817523743591 1.2571e-05 deg
peri 309.4318148310703 2.9898e-05 deg
M 41.22604031617111 2.6049e-05 deg
tp 2458778.121434336416
(2019-Oct-21.62143434)
0.00014089 TDB
period 1941.88631808735
5.32
1.9082e-05
5.224e-08
d
yr
n .1853867534092212 1.8217e-09 deg/d
Q 3.258790863999303 2.1349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2180  
   data-arc span      7716 days (21.13 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:29:50  

Additional Information
 Earth MOID = 1.88284 au 
 Jupiter MOID = 2.06422 au 
 T_jup = 3.134 
[ 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 13.4   n/a MPO502595  
diameter diameter 7.380 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71680 (2000 EJ201)          Discovered 2000-Mar-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 EJ201 = 1998 XT79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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