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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284177479910317 2.0073e-08  
a 2.210096196845804 5.4316e-09 au
q 1.926280620403322 4.5055e-08 au
i 4.574327905845693 6.6146e-07 deg
node 327.9671643598085 3.0752e-06 deg
peri 348.7343794136609 5.7469e-06 deg
M 195.8591111383049 4.6885e-06 deg
tp 2459943.679064848565
(2022-Dec-30.17906485)
1.6463e-05 TDB
period 1200.09380180378
3.29
4.4241e-06
1.211e-08
d
yr
n .2999765513819906 1.1059e-09 deg/d
Q 2.493911773288286 6.1291e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2310  
   data-arc span      10097 days (27.64 yr)  
   first obs. used      1993-09-19  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:51:45  

Additional Information
 Earth MOID = .912455 au 
 Jupiter MOID = 2.76022 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457076.5 (2015-Feb-23.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284795805426404 2.0051e-08  
q 1.926110110607655 4.5004e-08 au
tp 2457544.188420742615
(2016-Jun-04.68842074)
1.4646e-05 TDB
node 328.0272461255167 3.0743e-06 deg
peri 348.7365569916234 5.746e-06 deg
i 4.574332193082758 6.615e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2310  
   data-arc span      10097 days (27.64 yr)  
   first obs. used      1993-09-19  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:51:45  

Additional Information
 Jupiter MOID = 2.76022 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.020249048895588E-16 -8.974114133567517E-16 9.283063165762816E-14 2.812978721221306E-15 4.710573280629866E-14 1.718150495955069E-16
q -8.974114133567517E-16 2.025388160569299E-15 -2.108434798973747E-13 -6.694571516404521E-15 -1.075803994748972E-13 -4.941732982961073E-16
tp 9.283063165762816E-14 -2.108434798973747E-13 2.145186568774398E-10 -6.728247042807446E-12 7.076769656634736E-11 -2.206928387584698E-12
node 2.812978721221306E-15 -6.694571516404521E-15 -6.728247042807446E-12 9.451440998170033E-12 -1.066892038583613E-11 1.429602240148659E-12
peri 4.710573280629866E-14 -1.075803994748972E-13 7.076769656634736E-11 -1.066892038583613E-11 3.301677866016679E-11 -1.948299764717877E-12
i 1.718150495955069E-16 -4.941732982961073E-16 -2.206928387584698E-12 1.429602240148659E-12 -1.948299764717877E-12 4.375782866693971E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.36   n/a MPCxxxxx  

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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