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109215 (2001 QP85)
Classification: Main-belt Asteroid          SPK-ID: 2109215
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08938550919732227 2.9896e-08  
a 2.648574782987212 1.2085e-08 au
q 2.411830577362713 7.6644e-08 au
i 14.19303650868393 5.5423e-06 deg
node 311.1618261852324 1.466e-05 deg
peri 114.090368811451 4.6103e-05 deg
M 75.49986755175991 4.0306e-05 deg
tp 2458670.312615892331
(2019-Jul-05.81261589)
0.00017668 TDB
period 1574.406182862103
4.31
1.0776e-05
2.95e-08
d
yr
n .2286576386187447 1.565e-09 deg/d
Q 2.885318988611711 1.3166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      8674 days (23.75 yr)  
   first obs. used      1996-07-26  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:02  

Additional Information
 Earth MOID = 1.4643 au 
 Jupiter MOID = 2.34664 au 
 T_jup = 3.342 
[ 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 15.0   n/a MPO412771  

109215 (2001 QP85)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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