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85897 (1999 CA50)
Classification: Main-belt Asteroid          SPK-ID: 2085897
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01763174741034863 4.2419e-08  
a 2.404106943467264 1.2882e-08 au
q 2.361718337092583 1.0162e-07 au
i 10.40042897422713 6.8892e-06 deg
node 358.8111516058638 2.1883e-05 deg
peri 108.6068022469493 0.00019635 deg
M 298.1182257320333 0.0001969 deg
tp 2459234.539605564134
(2021-Jan-20.03960556)
0.00074546 TDB
period 1361.535912629816
3.73
1.0944e-05
2.996e-08
d
yr
n .2644072746525338 2.1252e-09 deg/d
Q 2.446495549841944 1.3109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:03:56  

Additional Information
 Earth MOID = 1.38971 au 
 Jupiter MOID = 2.54539 au 
 T_jup = 3.501 
[ 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 15.1   n/a MPO385351  
diameter diameter 2.300 km 0.347 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.366   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85897 (1999 CA50)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CA50 = 2001 TS20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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