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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01601174120622499 3.8895e-08  
a 2.790551164678832 1.9213e-08 au
q 2.745869581607264 1.0842e-07 au
i 3.479668416365456 5.9599e-06 deg
node 227.3108052750466 8.7516e-05 deg
peri 42.00145530570907 0.00025161 deg
M 154.1552901263167 0.00023759 deg
tp 2457871.396230437747
(2017-Apr-27.89623044)
0.0011236 TDB
period 1702.681476758494
4.66
1.7585e-05
4.815e-08
d
yr
n .211431207136496 2.1836e-09 deg/d
Q 2.835232747750399 1.9521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      10609 days (29.05 yr)  
   first obs. used      1990-10-18  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62745  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:43:54  

Additional Information
 Earth MOID = 1.73066 au 
 Jupiter MOID = 2.15763 au 
 T_jup = 3.326 
[ 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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