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(2021 CU1)
Classification: Aten [NEO]          SPK-ID: 54110079
[ 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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2596745136006138 0.00017666  
a .9617610883078778 2.1924e-05 au
q .7120162455015326 0.00015375 au
i 2.313240295767458 0.001667 deg
node 323.0945639396591 6.5418e-05 deg
peri 289.9584147340204 0.0015846 deg
M 11.40155148739362 0.028879 deg
tp 2458989.589097322690
(2020-May-20.08909732)		 0.028009 TDB
period 344.5079354484779
0.94		 0.01178
3.225e-05		 d
yr
n 1.044968672583273 3.5731e-05 deg/d
Q 1.211505931114223 2.7617e-05 au
   Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      5 days  
   first obs. used      2021-02-05  
   last obs. used      2021-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .33012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-10 05:21:29  

Additional Information
 Earth MOID = .000461893 au 
 Jupiter MOID = 3.81947 au 
 T_jup = 6.240 
[ 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 28.62   .51928 E2021-CI3 autocmod 2.8

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