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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .222821659692376 2.3131e-07  
a 1.305827805711885 3.8043e-09 au
q 1.014861086770709 3.023e-07 au
i 21.07264851939052 3.3025e-05 deg
node 306.937458352629 6.1471e-06 deg
peri 226.6493593883873 0.0001087 deg
M 58.77018221114815 6.0668e-05 deg
tp 2458911.522165607466
(2020-Mar-03.02216561)
9.1957e-05 TDB
period 545.0386433417614
1.49
2.3818e-06
6.521e-09
d
yr
n .6605036255645187 2.8864e-09 deg/d
Q 1.596794524653061 4.652e-09 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      4349 days (11.91 yr)  
   first obs. used      2008-02-08  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-06 05:43:43  

Additional Information
 Earth MOID = .0848397 au 
 Jupiter MOID = 3.45948 au 
 T_jup = 4.896 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456309.5 (2013-Jan-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2229994518788209 2.3147e-07  
q 1.015029270795085 3.0232e-07 au
tp 2456184.990619635242
(2012-Sep-14.49061964)
9.7329e-05 TDB
node 306.9832741796424 6.1744e-06 deg
peri 226.5016420043281 0.00010899 deg
i 21.07480982034058 3.3011e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      4349 days (11.91 yr)  
   first obs. used      2008-02-08  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-06 05:43:43  

Additional Information
 Jupiter MOID = 3.45948 au 
 T_jup = 4.896 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.357809285870113E-14 -6.997094878806367E-14 1.896520360800166E-11 3.493614548079619E-13 2.261817595770049E-11 -2.2577470978918E-13
q -6.997094878806367E-14 9.139466536129029E-14 -2.492899617513852E-11 -4.515222707206139E-13 -2.968329334074027E-11 2.046444591976937E-13
tp 1.896520360800166E-11 -2.492899617513852E-11 9.472920415169992E-9 7.885043895525742E-11 1.052393352294276E-8 1.222960714387261E-9
node 3.493614548079619E-13 -4.515222707206139E-13 7.885043895525742E-11 3.812301263741387E-11 7.5676320203E-11 -5.288170928791039E-11
peri 2.261817595770049E-11 -2.968329334074027E-11 1.052393352294276E-8 7.5676320203E-11 1.187919215742225E-8 1.108938614090863E-9
i -2.2577470978918E-13 2.046444591976937E-13 1.222960714387261E-9 -5.288170928791039E-11 1.108938614090863E-9 1.089746210725452E-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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