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(2019 CR4)
Classification: Aten [NEO]          SPK-ID: 3838254
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 2458520.5 (2019-Feb-06.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4014232391485567 0.0050406  
a .755153822672923 0.001987 au
q .4520175291201434 0.0049958 au
i 5.778126696404913 0.10672 deg
node 320.1360984148401 0.0012273 deg
peri 352.9644239173316 0.0089045 deg
M 189.9872986153992 0.10484 deg
tp 2458633.695830959226
(2019-May-30.19583096)
0.51655 TDB
period 239.6909102287367
0.66
0.94604
0.00259
d
yr
n 1.501934302208008 0.005928 deg/d
Q 1.058290116225703 0.0027847 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      7 days  
   first obs. used      2019-02-04  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .4551  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-11 08:12:06  

Additional Information
 Earth MOID = .030975 au 
 Jupiter MOID = 4.19772 au 
 T_jup = 7.585 
[ 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 26.4   .37841 MPO467462 autocmod 2.6q

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