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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466602551043888 3.9667e-08  
a 2.232261656807524 9.662e-09 au
q 1.904877592760387 9.1523e-08 au
i 7.557405796978023 3.4022e-06 deg
node 111.9207955289582 3.1758e-05 deg
peri 280.78260403222 3.394e-05 deg
M 355.4466281290476 1.3917e-05 deg
tp 2459411.908015110331
(2021-Jul-16.40801511)
4.7151e-05 TDB
period 1218.192934142841
3.34
7.9092e-06
2.165e-08
d
yr
n .2955196914299189 1.9187e-09 deg/d
Q 2.559645720854661 1.1079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      7864 days (21.53 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53976  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:15:35  

Additional Information
 Earth MOID = .927752 au 
 Jupiter MOID = 2.87312 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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