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13162 Ryokkochigaku (1995 UK44)
Classification: Main-belt Asteroid          SPK-ID: 2013162
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454809981810911 5.7677e-08  
a 2.356144951382855 1.2919e-08 AU
q 2.013370631996339 1.3454e-07 AU
i 5.765362742505705 5.3012e-06 deg
node 254.8209909243458 5.7226e-05 deg
peri 93.60516074463487 5.9918e-05 deg
M 136.4561776478748 2.0239e-05 deg
tp 2456499.783231856617
(2013-Jul-26.28323186)
7.2452e-05 JED
period 1320.99579248639
3.62
1.0865e-05
2.975e-08
d
yr
n .2725216855705535 2.2414e-09 deg/d
Q 2.698919270769371 1.4799e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      14235 days (38.97 yr)  
   first obs. used      1976-05-02  
   last obs. used      2015-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4869  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:16:57  

Additional Information
 Earth MOID = 1.01725 AU 
 T_jup = 3.533 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO313525  

13162 Ryokkochigaku           Discovered 1995 Oct. 22 by M. Hirasawa and S. Suzuki at Nyukasa.
Ryokkochigaku is the nickname of the Yokohama Midorigaoka High School earth-science club, known for its research of whale fossils and observation of solar prominences. The discoverers of this minor planet were members of Ryokkochigaku.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

Alternate Designations
 1995 UK44 = 1976 JC10 = 1980 NR 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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