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85420 (1996 XB17)
Classification: Main-belt Asteroid          SPK-ID: 2085420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782509376671969 3.4705e-08  
a 3.052874872462609 1.7643e-08 au
q 2.508697063865525 1.0776e-07 au
i 7.276744363072105 5.1393e-06 deg
node 63.23694048010064 3.6273e-05 deg
peri 34.95058662456948 3.9904e-05 deg
M 122.0242826718185 1.6735e-05 deg
tp 2458340.102081265952
(2018-Aug-09.60208127)
8.8262e-05 TDB
period 1948.327378278161
5.33
1.6889e-05
4.624e-08
d
yr
n .1847738752807297 1.6017e-09 deg/d
Q 3.597052681059693 2.0787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      8546 days (23.40 yr)  
   first obs. used      1996-12-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58653  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:30  

Additional Information
 Earth MOID = 1.52958 au 
 Jupiter MOID = 1.62695 au 
 T_jup = 3.200 
[ 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 14.5   n/a MPO344890  

85420 (1996 XB17)          Discovered 1996-Dec-04 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1996 XB17 = 2001 SF176 = 2001 SW290 = 2001 TA51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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