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(2021 CP2)
Classification: Aten [NEO]          SPK-ID: 54110691
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2796173160760566 4.4065e-05  
a .97087971422752 2.0864e-06 au
q .6994049343025319 4.4082e-05 au
i 8.407161320662309 0.0016328 deg
node 336.1988721464123 0.00016586 deg
peri 339.6151782790536 0.00059912 deg
M 140.8396429493629 0.0022086 deg
tp 2459063.799852899148
(2020-Aug-02.29985290)
0.0019088 TDB
period 349.4190408733166
0.96
0.0011263
3.084e-06
d
yr
n 1.030281575669826 3.321e-06 deg/d
Q 1.242354494152508 2.6698e-06 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      43 days  
   first obs. used      2021-02-06  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .42564  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:01  

Additional Information
 Earth MOID = .102726 au 
 Jupiter MOID = 4.01792 au 
 T_jup = 6.180 
[ 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 23.13   .39949 E2021D77 autocmod 2.8

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