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4941 Yahagi (1986 UA)
Classification: Main-belt Asteroid          SPK-ID: 2004941
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17636614961855 6.0245e-08  
a 3.185533005699383 2.6042e-08 AU
q 2.623712815001376 1.9684e-07 AU
i 1.872015171651264 5.5114e-06 deg
node 129.7667012682306 0.00020579 deg
peri 262.7385560918906 0.0002065 deg
M 347.7415636874595 1.5382e-05 deg
tp 2457071.213798228579
(2015-Feb-17.71379823)
8.8772e-05 JED
period 2076.689613033715
5.69
2.5466e-05
6.972e-08
d
yr
n .1733528196705799 2.1258e-09 deg/d
Q 3.74735319639739 3.0635e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1291  
   data-arc span      16740 days (45.83 yr)  
   first obs. used      1969-10-15  
   last obs. used      2015-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51512  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:14:16  

Additional Information
 Earth MOID = 1.63033 AU 
 T_jup = 3.173 
[ 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 12.5 mag n/a MPO309188  

4941 Yahagi           Discovered 1986 Oct. 25 by K. Suzuki and T. Urata at Toyota.
The Yahagi River flows through Aichi, hometown of the discoverers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1986 UA = 1969 TR5 = 1975 VW1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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