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160656 (1999 XU116)
Classification: Main-belt Asteroid          SPK-ID: 2160656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2915671858749292 4.8781e-08  
a 2.591773229025195 1.0588e-08 au
q 1.836097202212341 1.221e-07 au
i 3.454828704181891 5.4274e-06 deg
node 288.1903637661493 8.5143e-05 deg
peri 105.6233666038725 8.5779e-05 deg
M 28.95527190909537 1.1132e-05 deg
tp 2459077.920153506216
(2020-Aug-16.42015351)
4.6714e-05 TDB
period 1524.031439811853
4.17
9.3387e-06
2.557e-08
d
yr
n .2362155993608919 1.4474e-09 deg/d
Q 3.347449255838049 1.3675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1999-10-21  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:15  

Additional Information
 Earth MOID = .845174 au 
 Jupiter MOID = 2.11748 au 
 T_jup = 3.355 
[ 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 15.59   n/a E2021B55  

160656 (1999 XU116)          Discovered 1999-Dec-05 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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