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249855 (2001 QV55)
Classification: Main-belt Asteroid          SPK-ID: 2249855
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2258944808146272 7.6973e-08  
a 2.70574551722049 1.5879e-08 au
q 2.094532538391463 2.0555e-07 au
i 4.974571679485329 7.8305e-06 deg
node 340.9051943179642 7.9075e-05 deg
peri .8997958494255495 8.0699e-05 deg
M 73.61361411577357 1.5175e-05 deg
tp 2458668.082034030947
(2019-Jul-03.58203403)
6.7467e-05 TDB
period 1625.656737361803
4.45
1.431e-05
3.918e-08
d
yr
n .2214489638102974 1.9494e-09 deg/d
Q 3.316958496049517 1.9466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      2001-08-12  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:27:47  

Additional Information
 Earth MOID = 1.08638 au 
 Jupiter MOID = 2.09088 au 
 T_jup = 3.323 
[ 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 16.6   n/a MPO494361  

249855 (2001 QV55)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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