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17546 Osadakentaro (1993 SB2)
Classification: Main-belt Asteroid          SPK-ID: 2017546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284551506875991 3.7516e-08  
a 2.209637403113316 6.29e-09 au
q 1.925798097531439 8.3697e-08 au
i 4.574217728279591 4.4274e-06 deg
node 327.970118229538 4.0932e-05 deg
peri 348.6058309628724 4.3268e-05 deg
M 77.20050520066418 1.4107e-05 deg
tp 2458743.224999602168
(2019-Sep-16.72499960)
4.6873e-05 TDB
period 1199.720130101204
3.28
5.1228e-06
1.403e-08
d
yr
n .3000699837966641 1.2813e-09 deg/d
Q 2.493476708695192 7.098e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1890  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1993-09-19  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:29:59  

Additional Information
 Earth MOID = .912605 au 
 Jupiter MOID = 2.7618 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456497.5 (2013-Jul-24.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283428597574186 3.732e-08  
q 1.925878856015423 8.3248e-08 au
tp 2456342.339414419470
(2013-Feb-18.83941442)
4.7061e-05 TDB
node 328.0512107913294 4.0969e-05 deg
peri 348.2347110282557 4.3322e-05 deg
i 4.572642314925465 4.4247e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1890  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1993-09-19  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:29:59  

Additional Information
 Jupiter MOID = 2.7618 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.392790066090047E-15 -3.100125096197795E-15 6.735567940349606E-13 4.38576165614171E-16 1.993276806193405E-13 -5.919643047976339E-16
q -3.100125096197795E-15 6.930245431610278E-15 -1.512519836746846E-12 -1.273199917407764E-15 -4.471783723791328E-13 1.369693334884894E-15
tp 6.735567940349606E-13 -1.512519836746846E-12 2.214709944092141E-9 -1.130897939443805E-12 6.709044115293229E-10 -8.92737771011328E-13
node 4.38576165614171E-16 -1.273199917407764E-15 -1.130897939443805E-12 1.678428340845556E-9 -1.672915333008808E-9 5.279990155897352E-11
peri 1.993276806193405E-13 -4.471783723791328E-13 6.709044115293229E-10 -1.672915333008808E-9 1.876771201229846E-9 -5.289521678934442E-11
i -5.919643047976339E-16 1.369693334884894E-15 -8.92737771011328E-13 5.279990155897352E-11 -5.289521678934442E-11 1.957754191838326E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO384905  

17546 Osadakentaro           Discovered 1993 Sept. 19 by K. Endate and K. Watanabe at Kitami.
Kentaro Osada (b. 1958) is a Japanese amateur astronomer. When he was a student at Yamaguchi Senior High School he was the first discoverer of Nova Cygni 1975 (V1500 Cygni)
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-03-23Last Updated: 2016-03-24

Alternate Designations
 1993 SB2 = 1999 JX38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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