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(2019 CA4)
Classification: Mars-crossing Asteroid          SPK-ID: 3838215
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5687561902481331 1.4777e-05  
a 3.133260764478964 0.00012338 au
q 1.351199309019955 6.9846e-06 au
i 9.804755797208065 0.00018375 deg
node 340.3838254026422 0.00028767 deg
peri 147.5462801477665 0.0010313 deg
M 122.1808793998975 0.007308 deg
tp 2458512.966311040441
(2019-Jan-29.46631104)
0.00093248 TDB
period 2025.78447005063
5.55
0.11965
0.0003276
d
yr
n .1777089346484143 1.0496e-05 deg/d
Q 4.915322219937972 0.00019355 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      56 days  
   first obs. used      2018-12-17  
   last obs. used      2019-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .52661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:04:35  

Additional Information
 Earth MOID = .378401 au 
 Jupiter MOID = .343988 au 
 T_jup = 2.919 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.5   .39696 MPO467459 autocmod 2.6q

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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