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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1763661465739781 6.0356e-08  
a 3.185533007155697 2.612e-08 AU
q 2.62371282589943 1.9718e-07 AU
i 1.872015015875883 5.5292e-06 deg
node 129.7666902466872 0.00020634 deg
peri 262.7385673435189 0.00020705 deg
M 347.7415630479779 1.5432e-05 deg
tp 2457071.213801965972
(2015-Feb-17.71380197)
8.9066e-05 JED
period 2076.6896144578
5.69
2.5542e-05
6.993e-08
d
yr
n .1733528195517037 2.1322e-09 deg/d
Q 3.747353188411964 3.0727e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1241  
   data-arc span      16532 days (45.26 yr)  
   first obs. used      1969-10-15  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52196  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:11:40  

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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