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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02498535228666252 4.0067e-08  
a 2.67577970859464 1.5984e-08 au
q 2.6089244099339 1.1148e-07 au
i 2.510948750588368 4.9005e-06 deg
node 164.934997074093 9.9525e-05 deg
peri 281.0083543092638 0.00014649 deg
M 336.9536991479566 0.00010875 deg
tp 2457502.846427330009
(2016-Apr-24.34642733)
0.0004832 JED
period 1598.725716345772
4.38
1.4325e-05
3.922e-08
d
yr
n .225179338969324 2.0177e-09 deg/d
Q 2.742635007255381 1.6384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1372  
   data-arc span      14208 days (38.90 yr)  
   first obs. used      1977-01-20  
   last obs. used      2015-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53767  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:36  

Additional Information
 Earth MOID = 1.62592 au 
 Jupiter MOID = 2.29447 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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