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(2021 CM8)
Classification: Apollo [NEO]          SPK-ID: 54121893
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .446553405457845 0.00015684  
a 1.746114272047098 0.00048067 au
q .9663809975459202 7.8358e-06 au
i 4.02385582438639 0.0013049 deg
node 112.4170258106348 0.00080265 deg
peri 78.64880506645966 0.00048011 deg
M 317.4303313769839 0.017757 deg
tp 2459300.156398655448
(2021-Mar-26.65639866)
0.00042159 TDB
period 842.7668026657866
2.31
0.348
0.0009528
d
yr
n .4271644289514855 0.00017639 deg/d
Q 2.525847546548276 0.00069532 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   data-arc span      34 days  
   first obs. used      2021-02-01  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .39452  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:30  

Additional Information
 Earth MOID = .055111 au 
 Jupiter MOID = 2.43336 au 
 T_jup = 4.014 
[ 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 24.47   .35644 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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