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100607 (1997 SB4)
Classification: Main-belt Asteroid          SPK-ID: 2100607
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .307404899110201 4.4615e-08  
a 2.6920259774634 1.285e-08 au
q 1.864484003459224 1.1786e-07 au
i 1.361207202755002 5.6311e-06 deg
node 164.7017014713675 0.00022237 deg
peri 168.6531527635106 0.00022268 deg
M 74.95779359175921 9.6548e-06 deg
tp 2458664.583303873552
(2019-Jun-30.08330387)
4.2942e-05 TDB
period 1613.308033906911
4.42
1.1552e-05
3.163e-08
d
yr
n .2231439950919951 1.5978e-09 deg/d
Q 3.519567951467577 1.6801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      11427 days (31.29 yr)  
   first obs. used      1988-09-14  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:15  

Additional Information
 Earth MOID = .85437 au 
 Jupiter MOID = 1.87014 au 
 T_jup = 3.301 
[ 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 16.4   n/a MPO449610  

100607 (1997 SB4)          Discovered 1997-Sep-26 by Pravec, P. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1997 SB4 = 1988 RU11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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