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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01782499724317178 4.0634e-08  
a 2.404670364077046 1.003e-08 au
q 2.361807121466636 9.9139e-08 au
i 10.40058663403344 4.4914e-06 deg
node 358.8019077636169 2.1647e-05 deg
peri 107.8749068508729 0.00013085 deg
M 43.5241117962217 0.00012738 deg
tp 2459231.832015520165
(2021-Jan-17.33201552)
0.00048208 TDB
period 1362.014569999491
3.73
8.5217e-06
2.333e-08
d
yr
n .2643143531130762 1.6537e-09 deg/d
Q 2.447533606687457 1.0209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:27:18  

Additional Information
 Earth MOID = 1.39113 au 
 Jupiter MOID = 2.54347 au 
 T_jup = 3.501 
[ 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 15.18   n/a MPCxxxxx  
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

Alternate Designations
 1999 CA50 = 2001 TS20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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