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JPL Small-Body Database Browser
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160662 (1999 XZ250)
Classification: Main-belt Asteroid          SPK-ID: 2160662
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 .08504513964422449 5.5115e-08  
a 2.74631959719173 2.3984e-08 au
q 2.512758463540889 1.6015e-07 au
i 2.278327636679701 4.7866e-06 deg
node 300.5119025088247 0.00015269 deg
peri 92.15925069113452 0.00015583 deg
M 152.9858509786283 3.3756e-05 deg
tp 2457894.062399666848
(2017-May-20.56239967)
0.0001511 TDB
period 1662.359848921336
4.55
2.1777e-05
5.962e-08
d
yr
n .2165596096618883 2.8369e-09 deg/d
Q 2.979880730842571 2.6024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      7087 days (19.40 yr)  
   first obs. used      1999-12-05  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53762  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:22:31  

Additional Information
 Earth MOID = 1.51917 au 
 Jupiter MOID = 2.38167 au 
 T_jup = 3.341 
[ 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 MPO433027  

160662 (1999 XZ250)          Discovered 1999-Dec-05 by Spacewatch at Kitt Peak
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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