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109171 (2001 QP64)
Classification: Main-belt Asteroid          SPK-ID: 2109171
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853811481449385 6.8702e-08  
a 2.584857426458753 1.3556e-08 au
q 2.105673588950859 1.7211e-07 au
i 12.62323731804397 5.1884e-06 deg
node 171.4742118318306 2.1527e-05 deg
peri 238.1980293931203 2.4292e-05 deg
M 138.6694453339903 1.0518e-05 deg
tp 2458415.802017992278
(2018-Oct-24.30201799)
4.4108e-05 TDB
period 1517.935497728457
4.16
1.1941e-05
3.269e-08
d
yr
n .2371642276886789 1.8657e-09 deg/d
Q 3.064041263966648 1.6069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      7720 days (21.14 yr)  
   first obs. used      1999-03-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52806  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:01:38  

Additional Information
 Earth MOID = 1.14348 au 
 Jupiter MOID = 2.4421 au 
 T_jup = 3.365 
[ 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 15.4   n/a MPO453551  

109171 (2001 QP64)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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