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(2009 TM8)
Classification: Apollo [NEO]          SPK-ID: 3471520
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4059230769840926 0.0066977  
a 1.551788173065298 0.019869 au
q .9218815430271086 0.0014106 au
i 2.472804016983132 0.55353 deg
node 205.4162969022625 0.39889 deg
peri 220.809045345804 1.1735 deg
M 250.1915559086535 32.798 deg
tp 2459415.867576190889
(2021-Jul-20.36757619)
68.462 TDB
period 706.0689008963928
1.93
13.561
0.03713
d
yr
n .5098652547123381 0.0097926 deg/d
Q 2.181694803103487 0.027935 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      2 days  
   first obs. used      2009-10-15  
   last obs. used      2009-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .47897  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:03:03  

Additional Information
 Earth MOID = .00121398 au 
 Jupiter MOID = 3.14717 au 
 T_jup = 4.350 
[ 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 28.4   n/a MPO164406  
rotation period rot_per 0.012 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Incomplete or inconclusive result.
Published Reference List:
[Ryan, W. UNPUBLISHED]

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