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(2021 CT)
Classification: Apollo [NEO]          SPK-ID: 54110055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091601562619426 5.6128e-05  
a 1.245869300059785 8.6487e-05 au
q .9852830825773233 1.5502e-06 au
i 8.205846109118342 0.0019092 deg
node 138.3340233718786 1.5997e-05 deg
peri 16.00839606425955 0.0016842 deg
M 312.8396433689155 0.0041396 deg
tp 2459267.039837087683
(2021-Feb-21.53983709)
0.0011399 TDB
period 507.9338466193238
1.39
0.052891
0.0001448
d
yr
n .7087537134925478 7.3802e-05 deg/d
Q 1.506455517542246 0.00010458 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      4 days  
   first obs. used      2021-02-06  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .53675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:51  

Additional Information
 Earth MOID = .00509695 au 
 Jupiter MOID = 3.48067 au 
 T_jup = 5.124 
[ 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 26.94   .49137 E2021D69 autocmod 2.8

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