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(2009 SH2)
Classification: Aten [NEO]          SPK-ID: 3467258
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09432141273203191 1.0377e-05  
a .9912259666482413 5.5168e-06 au
q .8977321331373053 1.5277e-05 au
i 6.811094532185955 0.00079966 deg
node 6.67121200863743 0.00010468 deg
peri 101.736881021526 0.0041069 deg
M 33.00694839319832 0.029597 deg
tp 2459167.450849102274
(2020-Nov-13.95084910)
0.029359 TDB
period 360.4602940401867
0.99
0.0030093
8.239e-06
d
yr
n .9987230381603822 8.3379e-06 deg/d
Q 1.084719800159177 6.0372e-06 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      14 days  
   first obs. used      2009-09-18  
   last obs. used      2009-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .37076  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:59:56  

Additional Information
 Earth MOID = .000631934 au 
 Jupiter MOID = 3.94034 au 
 T_jup = 6.112 
[ 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 24.9   n/a MPO164364  
rotation period rot_per 1.26 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[Ryan, W. UNPUBLISHED]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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