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160643 (1999 XQ6)
Classification: Main-belt Asteroid          SPK-ID: 2160643
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2897024320392291 5.8496e-08  
a 2.58106222689018 1.8796e-08 au
q 1.833322222515507 1.5485e-07 au
i 5.278452711827759 6.1699e-06 deg
node 44.76826156927529 7.3294e-05 deg
peri 326.4664282326034 7.4794e-05 deg
M 10.57841956718719 2.2113e-05 deg
tp 2458955.994423912659
(2020-Apr-16.49442391)
9.2595e-05 TDB
period 1514.593677220052
4.15
1.6545e-05
4.53e-08
d
yr
n .2376875101319311 2.5964e-09 deg/d
Q 3.328802231264854 2.4242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      6758 days (18.50 yr)  
   first obs. used      1999-10-22  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53335  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:48:18  

Additional Information
 Earth MOID = .836475 au 
 Jupiter MOID = 2.13745 au 
 T_jup = 3.358 
[ 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 MPO254161  

160643 (1999 XQ6)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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