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JPL Small-Body Database Browser
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97228 (1999 XW56)
Classification: Main-belt Asteroid          SPK-ID: 2097228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08425923654700097 4.9444e-08  
a 3.088775403169923 2.8527e-08 au
q 2.82851754583367 1.5123e-07 au
i 12.29694411922819 5.0417e-06 deg
node 74.64771843378787 2.5033e-05 deg
peri 338.7148487321677 4.2845e-05 deg
M 220.7911962447579 3.295e-05 deg
tp 2459367.229411445132
(2021-Jun-01.72941145)
0.00018137 TDB
period 1982.795489037838
5.43
2.7469e-05
7.521e-08
d
yr
n .181561841344864 2.5153e-09 deg/d
Q 3.349033260506176 3.0931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      6745 days (18.47 yr)  
   first obs. used      1999-11-04  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57194  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:07:35  

Additional Information
 Earth MOID = 1.84398 au 
 Jupiter MOID = 1.97689 au 
 T_jup = 3.185 
[ 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 14.4   n/a MPO359432  

97228 (1999 XW56)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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