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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3074452173251563 4.3777e-08  
a 2.692456611182184 1.2852e-08 au
q 1.864673703218724 1.155e-07 au
i 1.361310792245281 5.4771e-06 deg
node 164.692025479528 0.00021614 deg
peri 168.6934910507058 0.00021642 deg
M 119.5358589010993 9.2328e-06 deg
tp 2458664.682118898916
(2019-Jun-30.18211890)
4.0721e-05 TDB
period 1613.695162018166
4.42
1.1554e-05
3.163e-08
d
yr
n .2230904624822488 1.5974e-09 deg/d
Q 3.520239519145644 1.6804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      11814 days (32.34 yr)  
   first obs. used      1988-09-14  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:57  

Additional Information
 Earth MOID = .852664 au 
 Jupiter MOID = 1.86999 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

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