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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1763661466055187 6.036e-08  
a 3.185533006926666 2.6151e-08 AU
q 2.623712825610319 1.9719e-07 AU
i 1.872015007502069 5.539e-06 deg
node 129.7666888962243 0.00020636 deg
peri 262.7385686076547 0.00020707 deg
M 347.7415631886529 1.5459e-05 deg
tp 2457071.213801146851
(2015-Feb-17.71380115)
8.9225e-05 JED
period 2076.689614233837
5.69
2.5572e-05
7.001e-08
d
yr
n .1733528195703991 2.1346e-09 deg/d
Q 3.747353188243014 3.0763e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1227  
   data-arc span      16513 days (45.21 yr)  
   first obs. used      1969-10-15  
   last obs. used      2014-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5226  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:09:49  

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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