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91259 (1999 CB85)
Classification: Main-belt Asteroid          SPK-ID: 2091259
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08847230716849755 4.9821e-08  
a 2.221397949317477 8.9121e-09 au
q 2.024865747601991 1.0925e-07 au
i 5.412867034367547 4.9367e-06 deg
node 333.2043970791852 4.4457e-05 deg
peri 218.0310154855523 4.9221e-05 deg
M 105.0168064153174 2.0907e-05 deg
tp 2458647.727857114335
(2019-Jun-13.22785711)
7.002e-05 TDB
period 1209.310926258712
3.31
7.2776e-06
1.992e-08
d
yr
n .2976901904903356 1.7915e-09 deg/d
Q 2.417930151032964 9.7006e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1098  
   data-arc span      8363 days (22.90 yr)  
   first obs. used      1997-09-08  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:37  

Additional Information
 Earth MOID = 1.02852 au 
 Jupiter MOID = 2.55176 au 
 T_jup = 3.638 
[ 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 15.5   n/a MPO379197  
diameter diameter 2.375 km 0.623 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.260   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91259 (1999 CB85)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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