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JPL Small-Body Database Browser
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484462 (2008 CM20)
Classification: Apollo [NEO]          SPK-ID: 2484462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2229911680726147 2.3695e-07  
a 1.305997148681588 4.6221e-09 au
q 1.014771318997577 3.0963e-07 au
i 21.0721713321719 3.2723e-05 deg
node 306.9443933653084 6.0862e-06 deg
peri 226.6249765037616 0.00011019 deg
M 154.6210820515252 6.1878e-05 deg
tp 2458366.358725818158
(2018-Sep-04.85872582)
9.4054e-05 TDB
period 545.1446697118208
1.49
2.894e-06
7.923e-09
d
yr
n .6603751627807466 3.5057e-09 deg/d
Q 1.5972229783656 5.6528e-09 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      3308 days (9.06 yr)  
   first obs. used      2008-02-08  
   last obs. used      2017-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57064  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-09 06:32:48  

Additional Information
 Earth MOID = .0850761 au 
 Jupiter MOID = 3.46057 au 
 T_jup = 4.896 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456240.5 (2012-Nov-09.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2229842027931558 2.3713e-07  
q 1.015037681582144 3.0954e-07 au
tp 2456184.989078994159
(2012-Sep-14.48907899)
9.8501e-05 TDB
node 306.9840529191263 6.1137e-06 deg
peri 226.5004240426991 0.0001105 deg
i 21.07456052886079 3.2709e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      3308 days (9.06 yr)  
   first obs. used      2008-02-08  
   last obs. used      2017-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57064  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-09 06:32:48  

Additional Information
 Jupiter MOID = 3.46057 au 
 T_jup = 4.896 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.623029762908583E-14 -7.339406908031424E-14 1.971341768564003E-11 3.790877344617994E-13 2.355942332182782E-11 -3.202433137158532E-13
q -7.339406908031424E-14 9.581425174168165E-14 -2.590257356369132E-11 -4.893485965641304E-13 -3.090471931836662E-11 3.245388122604082E-13
tp 1.971341768564003E-11 -2.590257356369132E-11 9.702372055353811E-9 8.587992656380045E-11 1.079735492170933E-8 1.189671530040734E-9
node 3.790877344617994E-13 -4.893485965641304E-13 8.587992656380045E-11 3.737788276939389E-11 8.632157819639664E-11 -6.071658972769632E-11
peri 2.355942332182782E-11 -3.090471931836662E-11 1.079735492170933E-8 8.632157819639664E-11 1.221095555942092E-8 1.071971635611883E-9
i -3.202433137158532E-13 3.245388122604082E-13 1.189671530040734E-9 -6.071658972769632E-11 1.071971635611883E-9 1.069885065724381E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.5   n/a MPO437843  

484462 (2008 CM20)          Discovered 2008-Feb-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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