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66256 (1999 GU33)
Classification: Main-belt Asteroid          SPK-ID: 2066256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192139288897794 4.0098e-08  
a 2.272471838536755 1.1063e-08 au
q 1.83584071544004 8.9098e-08 au
i 7.647151276918214 4.6357e-06 deg
node 74.23182414865921 3.7845e-05 deg
peri 237.4267649707391 4.2221e-05 deg
M 338.6724158391713 2.4418e-05 deg
tp 2459074.628524449409
(2020-Aug-13.12852445)
8.5259e-05 TDB
period 1251.256054157341
3.43
9.1375e-06
2.502e-08
d
yr
n .2877108956267485 2.1011e-09 deg/d
Q 2.709102961633469 1.3189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      7331 days (20.07 yr)  
   first obs. used      1999-04-12  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:53:40  

Additional Information
 Earth MOID = .834653 au 
 Jupiter MOID = 2.56896 au 
 T_jup = 3.575 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO381719  
diameter diameter 2.448 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66256 (1999 GU33)          Discovered 1999-Apr-12 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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