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(2009 MM8)
Classification: Amor [NEO]          SPK-ID: 3463447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2455016.5 (2009-Jul-04.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4352261379165902 0.00093075  
a 1.840510264440745 0.0031096 au
q 1.039472090252357 4.3166e-05 au
i 3.10302638727861 0.0048804 deg
node 94.97998161032531 0.0034793 deg
peri 202.7543740576048 0.0033459 deg
M 353.9252810034945 0.016114 deg
tp 2455031.889676296095
(2009-Jul-19.38967630)
0.0018228 TDB
period 912.0230038264032
2.50
2.3113
0.006328
d
yr
n .3947268857140837 0.0010004 deg/d
Q 2.641548438629132 0.004463 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      32 days  
   first obs. used      2009-06-24  
   last obs. used      2009-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .49461  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:00:23  

Additional Information
 Earth MOID = .0295256 au 
 Jupiter MOID = 2.59498 au 
 T_jup = 3.896 
[ 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 24.8   n/a MPO159821  

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