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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3074048725464183 4.5213e-08  
a 2.692025978264403 1.2927e-08 au
q 1.864484075524388 1.1966e-07 au
i 1.361207885627966 5.8208e-06 deg
node 164.7016521851054 0.00022264 deg
peri 168.6531983522965 0.00022295 deg
M 74.95779660428126 9.6568e-06 deg
tp 2458664.583290223276
(2019-Jun-30.08329022)
4.2952e-05 TDB
period 1613.308034626962
4.42
1.1621e-05
3.182e-08
d
yr
n .2231439949924015 1.6073e-09 deg/d
Q 3.519567881004419 1.6901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      11394 days (31.20 yr)  
   first obs. used      1988-09-14  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50001  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 09:33:01  

Additional Information
 Earth MOID = .854371 au 
 Jupiter MOID = 1.87014 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457442.5 (2016-Feb-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3096709060308603 4.5562e-08  
q 1.856332086114238 1.2094e-07 au
tp 2457053.035454699674
(2015-Jan-30.53545470)
4.2865e-05 TDB
node 164.7388683169657 0.00022272 deg
peri 168.7130437454865 0.00022304 deg
i 1.360894968716658 5.8288e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      11394 days (31.20 yr)  
   first obs. used      1988-09-14  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50001  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 09:33:01  

Additional Information
 Jupiter MOID = 1.87014 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.075874256309228E-15 -5.49621836250129E-15 1.001211502928795E-12 9.530270557246568E-15 2.844678023844698E-13 -5.734033104129659E-16
q -5.49621836250129E-15 1.462747928918328E-14 -2.77626866967529E-12 -2.486347143609825E-14 -7.818415692551788E-13 1.569132393677536E-15
tp 1.001211502928795E-12 -2.77626866967529E-12 1.837421641168981E-9 1.936015044762735E-11 5.330483675245828E-10 -2.547487680269648E-13
node 9.530270557246568E-15 -2.486347143609825E-14 1.936015044762735E-11 4.960638446613113E-8 -4.958583649777971E-8 6.337406241854989E-10
peri 2.844678023844698E-13 -7.818415692551788E-13 5.330483675245828E-10 -4.958583649777971E-8 4.974583963020604E-8 -6.336351847994169E-10
i -5.734033104129659E-16 1.569132393677536E-15 -2.547487680269648E-13 6.337406241854989E-10 -6.336351847994169E-10 3.397486874441778E-11

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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