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JPL Small-Body Database Browser
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85890 (1999 CA45)
Classification: Main-belt Asteroid          SPK-ID: 2085890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477510032779518 4.0956e-08  
a 2.231964926619174 9.9786e-09 au
q 1.902189869429991 9.4243e-08 au
i 7.557764093513104 3.4513e-06 deg
node 111.9280298997234 3.3689e-05 deg
peri 280.8828702588122 3.5839e-05 deg
M 120.1728104605043 1.3189e-05 deg
tp 2458193.932000522610
(2018-Mar-16.43200052)
4.3505e-05 TDB
period 1217.950044198759
3.33
8.1677e-06
2.236e-08
d
yr
n .2955786255066231 1.9822e-09 deg/d
Q 2.561739983808357 1.1453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      7392 days (20.24 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55259  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:56:07  

Additional Information
 Earth MOID = .925133 au 
 Jupiter MOID = 2.86922 au 
 T_jup = 3.616 
[ 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 15.3   n/a MPO325054  

85890 (1999 CA45)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CA45 = 2001 XA85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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