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102955 (1999 XZ59)
Classification: Main-belt Asteroid          SPK-ID: 2102955
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05589767724758436 1.1749e-07  
a 2.56039932205033 1.6112e-08 au
q 2.417278947121427 3.0034e-07 au
i 14.04366607669265 5.2079e-06 deg
node 246.6446144029734 2.7733e-05 deg
peri 250.3202390239333 0.00010568 deg
M 348.2347790195691 9.6079e-05 deg
tp 2459249.405484991942
(2021-Feb-03.90548499)
0.00039936 TDB
period 1496.442321515517
4.10
1.4125e-05
3.867e-08
d
yr
n .2405705818553777 2.2708e-09 deg/d
Q 2.703519696979233 1.7013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      7744 days (21.20 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54273  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:32:50  

Additional Information
 Earth MOID = 1.4701 au 
 Jupiter MOID = 2.4433 au 
 T_jup = 3.391 
[ 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 MPO502731  

102955 (1999 XZ59)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XZ59 = 2003 WK111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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