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442343 (2011 SR207)
Classification: Main-belt Asteroid          SPK-ID: 2442343
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624466201057689 1.0116e-07  
a 2.618240855599111 5.296e-08 au
q 2.192916477984199 2.8779e-07 au
i 6.029670892893974 1.3593e-05 deg
node 339.9146304810847 7.2078e-05 deg
peri 36.2283735417959 9.9398e-05 deg
M 359.2552370898759 7.1495e-05 deg
tp 2459003.701314630743
(2020-Jun-03.20131463)
0.00030739 TDB
period 1547.436441048485
4.24
4.695e-05
1.285e-07
d
yr
n .2326428345942774 7.0586e-09 deg/d
Q 3.043565233214023 6.1563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      4262 days (11.67 yr)  
   first obs. used      2005-03-11  
   last obs. used      2016-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49666  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:29:34  

Additional Information
 Earth MOID = 1.19709 au 
 Jupiter MOID = 2.4419 au 
 T_jup = 3.379 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO353532  

442343 (2011 SR207)          Discovered 2007-Oct-12 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SR207 = 2007 TM447 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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