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102964 (1999 XW66)
Classification: Main-belt Asteroid          SPK-ID: 2102964
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191196098137278 5.1013e-08  
a 2.642598892707778 9.5202e-09 au
q 2.13734429548016 1.3777e-07 au
i 5.758642174209178 3.9633e-06 deg
node 75.68495500389008 4.8414e-05 deg
peri 328.7354261217909 4.9631e-05 deg
M 342.4769191725881 1.151e-05 deg
tp 2459276.875358767349
(2021-Mar-03.37535877)
5.0311e-05 TDB
period 1569.080769931406
4.30
8.4791e-06
2.321e-08
d
yr
n .229433695765539 1.2398e-09 deg/d
Q 3.147853489935396 1.134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:32:53  

Additional Information
 Earth MOID = 1.14835 au 
 Jupiter MOID = 2.25232 au 
 T_jup = 3.361 
[ 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  

102964 (1999 XW66)          Discovered 1999-Dec-07 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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