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180503 (2004 CA99)
Classification: Main-belt Asteroid          SPK-ID: 2180503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1958226716513536 1.0137e-07  
a 2.555164375432437 1.6958e-08 au
q 2.054805260926895 2.6875e-07 au
i 13.07081684332977 6.5073e-06 deg
node 338.3571499114432 2.0369e-05 deg
peri 129.4852425171379 3.2308e-05 deg
M 79.61632547294488 1.6124e-05 deg
tp 2458870.566570314998
(2020-Jan-22.06657032)
6.875e-05 TDB
period 1491.855269394003
4.08
1.4851e-05
4.066e-08
d
yr
n .241310271435535 2.4022e-09 deg/d
Q 3.055523489937979 2.0278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      7378 days (20.20 yr)  
   first obs. used      2000-03-09  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53618  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:47  

Additional Information
 Earth MOID = 1.09619 au 
 Jupiter MOID = 2.10485 au 
 T_jup = 3.375 
[ 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 16.55   n/a E2021B55  

180503 (2004 CA99)          Discovered 2004-Feb-14 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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