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442277 (2011 QH97)
Classification: Main-belt Asteroid          SPK-ID: 2442277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160031754201177 5.7378e-08  
a 3.127337671700863 5.8208e-08 au
q 2.626864338119149 1.7886e-07 au
i 13.39311185177167 8.1277e-06 deg
node 262.1782580915437 2.837e-05 deg
peri 87.69404807486123 3.8976e-05 deg
M 215.0950786828065 2.7253e-05 deg
tp 2459813.594879426807
(2022-Aug-22.09487943)
0.00016428 TDB
period 2020.042893870431
5.53
5.6397e-05
1.544e-07
d
yr
n .1782140374802809 4.9755e-09 deg/d
Q 3.627811005282577 6.7523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      7055 days (19.32 yr)  
   first obs. used      2000-09-28  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:51  

Additional Information
 Earth MOID = 1.66414 au 
 Jupiter MOID = 1.96366 au 
 T_jup = 3.153 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO434642  

442277 (2011 QH97)          Discovered 2000-Sep-28 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2011 QH97 = 2000 ST315 = 2006 WQ59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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