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65230 (2002 ER71)
Classification: Main-belt Asteroid          SPK-ID: 2065230
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01606212413710829 3.7516e-08  
a 2.790218166704237 1.8194e-08 au
q 2.745401336141019 1.0594e-07 au
i 3.47935916133656 5.2734e-06 deg
node 227.3020948720781 8.4549e-05 deg
peri 42.99369122618299 0.00023565 deg
M 237.7226540833176 0.00022251 deg
tp 2459578.728072823357
(2021-Dec-30.22807282)
0.0010531 TDB
period 1702.376713003296
4.66
1.6651e-05
4.559e-08
d
yr
n .2114690580822713 2.0684e-09 deg/d
Q 2.835034997267456 1.8487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      10776 days (29.50 yr)  
   first obs. used      1990-10-18  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:49:38  

Additional Information
 Earth MOID = 1.73063 au 
 Jupiter MOID = 2.15772 au 
 T_jup = 3.327 
[ 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 15.5   n/a MPO459290  
diameter diameter 5.589 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65230 (2002 ER71)          Discovered 2002-Mar-13 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 ER71 = 1995 VZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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