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(2021 CB9)
Classification: Amor [NEO]          SPK-ID: 54121906
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3475065781259654 2.9417e-05  
a 1.627571599679506 8.0671e-05 au
q 1.061979762419877 4.7592e-06 au
i 3.413089738527154 0.00023606 deg
node 165.3789125612816 8.3588e-05 deg
peri 27.92242538505095 0.00037095 deg
M 309.088852691517 0.0036509 deg
tp 2459307.755350100657
(2021-Apr-03.25535010)
0.00028602 TDB
period 758.4179119413171
2.08
0.056387
0.0001544
d
yr
n .4746723334612581 3.5291e-05 deg/d
Q 2.193163436939135 0.0001087 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      65 days  
   first obs. used      2021-02-13  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .3476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-20 06:21:56  

Additional Information
 Earth MOID = .0676054 au 
 Jupiter MOID = 2.76052 au 
 T_jup = 4.244 
[ 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 24.93   .26537 E2021D74 autocmod 2.8

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