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(2009 ME9)
Classification: Aten [NEO]          SPK-ID: 3463759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5009371323945604 2.3925e-07  
a .9234424397064424 1.3922e-08 au
q .4608558320284604 2.2006e-07 au
i 31.47501419180183 6.8797e-05 deg
node 274.0401791170075 4.5817e-05 deg
peri 207.5082336800047 5.4075e-05 deg
M 121.499011214955 5.6196e-05 deg
tp 2459091.108541000764
(2020-Aug-29.60854100)
4.981e-05 TDB
period 324.1254792605076
0.89
7.33e-06
2.007e-08
d
yr
n 1.110680964734214 2.5118e-08 deg/d
Q 1.386029047384424 2.0897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      3368 days (9.22 yr)  
   first obs. used      2009-06-24  
   last obs. used      2018-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .65397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:47:13  

Additional Information
 Earth MOID = .16021 au 
 Jupiter MOID = 3.78965 au 
 T_jup = 6.257 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455577.5 (2011-Jan-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5007782293569677 2.3906e-07  
q .4609961770910009 2.1982e-07 au
tp 2455525.833155858444
(2010-Nov-25.33315586)
8.1438e-05 TDB
node 274.0621533999393 4.5765e-05 deg
peri 207.4905061999352 5.4071e-05 deg
i 31.47380753043273 6.8801e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      3368 days (9.22 yr)  
   first obs. used      2009-06-24  
   last obs. used      2018-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .65397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:47:13  

Additional Information
 Jupiter MOID = 3.78965 au 
 T_jup = 6.257 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.714809633976919E-14 -5.252457917932728E-14 4.826799466007377E-13 1.926273972288037E-12 -1.571676306356031E-12 4.355621241747792E-12
q -5.252457917932728E-14 4.832226663095578E-14 -9.048790146240135E-13 -1.786554264816568E-12 1.271033330859677E-12 -4.034536187649857E-12
tp 4.826799466007377E-13 -9.048790146240135E-13 6.632203454211403E-9 -5.099233180576145E-11 2.895536460596387E-9 1.385813660025967E-10
node 1.926273972288037E-12 -1.786554264816568E-12 -5.099233180576145E-11 2.094411368859075E-9 -1.815495164405745E-9 2.716295848108813E-9
peri -1.571676306356031E-12 1.271033330859677E-12 2.895536460596387E-9 -1.815495164405745E-9 2.923622608681422E-9 -2.253802355485897E-9
i 4.355621241747792E-12 -4.034536187649857E-12 1.385813660025967E-10 2.716295848108813E-9 -2.253802355485897E-9 4.73362074286606E-9

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 21.2   n/a MPO382681  

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