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(2021 CG9)
Classification: Amor [NEO]          SPK-ID: 54122190
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5339611922827815 3.0272e-05  
a 2.294429610901938 0.00015627 au
q 1.069293240255821 3.3791e-06 au
i 14.57637570864237 0.00052199 deg
node 333.9216937473335 5.3693e-05 deg
peri 196.7446238957234 0.00011011 deg
M 336.8380065549921 0.0023647 deg
tp 2459282.174026885804
(2021-Mar-08.67402689)
6.4168e-05 TDB
period 1269.435195580137
3.48
0.12969
0.0003551
d
yr
n .2835906876171638 2.8972e-05 deg/d
Q 3.519565981548054 0.00023971 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      58 days  
   first obs. used      2021-01-12  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .48335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:33  

Additional Information
 Earth MOID = .089061 au 
 Jupiter MOID = 1.50019 au 
 T_jup = 3.355 
[ 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 23.15   .44819 E2021-DA1 autocmod 2.8

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