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66642 (1999 RE226)
Classification: Main-belt Asteroid          SPK-ID: 2066642
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158989676143633 3.5248e-08  
a 2.6461434888383 1.6281e-08 au
q 2.225433992518316 9.3062e-08 au
i 10.56302321743215 6.0627e-06 deg
node 301.4694236685687 2.3529e-05 deg
peri 306.6124940951896 3.1607e-05 deg
M 9.013208044858764 2.2847e-05 deg
tp 2458961.136345857363
(2020-Apr-21.63634586)
9.965e-05 TDB
period 1572.238810068565
4.30
1.451e-05
3.973e-08
d
yr
n .2289728492227593 2.1131e-09 deg/d
Q 3.066852985158285 1.8869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      7665 days (20.99 yr)  
   first obs. used      1998-03-31  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:16:27  

Additional Information
 Earth MOID = 1.22934 au 
 Jupiter MOID = 2.08449 au 
 T_jup = 3.351 
[ 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 15.2   n/a MPO432218  
diameter diameter 5.225 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66642 (1999 RE226)          Discovered 1999-Sep-04 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RE226 = 1998 FK102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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