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(2021 CU5)
Classification: Apollo [NEO]          SPK-ID: 54115832
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4511665934098582 0.00039774  
a 1.471558655343029 0.00087606 au
q .807640549809123 0.00010451 au
i 6.53712342561496 0.0052835 deg
node 325.6447008477342 0.00028777 deg
peri 108.7552615115221 0.00074257 deg
M 245.1322055712794 0.096202 deg
tp 2459208.546576934383
(2020-Dec-25.04657693)
0.011546 TDB
period 652.0258186279876
1.79
0.58226
0.001594
d
yr
n .552125375583321 0.00049305 deg/d
Q 2.135476760876934 0.0012713 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      10 days  
   first obs. used      2021-02-11  
   last obs. used      2021-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .47738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-21 05:18:05  

Additional Information
 Earth MOID = .0109114 au 
 Jupiter MOID = 3.17811 au 
 T_jup = 4.479 
[ 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 26.13   .43163 E2021D74 autocmod 2.8

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