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9981 Kudo (1995 BS3)
Classification: Main-belt Asteroid          SPK-ID: 2009981
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02490616840307914 4.0051e-08  
a 2.675571540172421 1.5346e-08 au
q 2.608933304818401 1.1135e-07 au
i 2.510946109177494 4.7114e-06 deg
node 164.93509546 9.9492e-05 deg
peri 281.1817763910602 0.0001439 deg
M 21.82687203531104 0.00010482 deg
tp 2457503.580251157349
(2016-Apr-25.08025116)
0.00046528 JED
period 1598.539155171119
4.38
1.3753e-05
3.765e-08
d
yr
n .225205619040006 1.9375e-09 deg/d
Q 2.742209775526441 1.5728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      14311 days (39.18 yr)  
   first obs. used      1977-01-20  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5503  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:06:57  

Additional Information
 Earth MOID = 1.62488 au 
 Jupiter MOID = 2.29439 au 
 T_jup = 3.377 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO347605  

9981 Kudo           Discovered 1995 Jan. 31 by T. Kobayashi at Oizumi.
Takahiro Kudo (b. 1961) is a Japanese amateur astronomer and a key member of the Ota Astronomical Club.
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 2014-09-09Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 1995 BS3 = 1977 BJ = 1997 QO4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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