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78906 (2003 SY85)
Classification: Main-belt Asteroid          SPK-ID: 2078906
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066359985640293 4.4315e-08  
a 2.404776518668842 8.8366e-09 au
q 1.907863121410376 1.064e-07 au
i 3.428711549581653 5.1565e-06 deg
node 332.9754548073607 6.6445e-05 deg
peri 49.27668314177781 6.7539e-05 deg
M 163.7490466347452 1.0272e-05 deg
tp 2458380.935122342356
(2018-Sep-19.43512234)
3.8106e-05 TDB
period 1362.104760550253
3.73
7.5078e-06
2.056e-08
d
yr
n .2642968517741395 1.4568e-09 deg/d
Q 2.901689915927308 1.0663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8539 days (23.38 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:36:10  

Additional Information
 Earth MOID = .912915 au 
 Jupiter MOID = 2.57024 au 
 T_jup = 3.492 
[ 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 16.7   n/a MPO468744  

78906 (2003 SY85)          Discovered 2003-Sep-16 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SY85 = 1996 XW21 = 2001 DW54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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