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13529 Yokaboshi (1991 RE1)
Classification: Main-belt Asteroid          SPK-ID: 2013529
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09596453633085228 6.2026e-08  
a 2.241569870670431 1.3045e-08 AU
q 2.026458657378334 1.3857e-07 AU
i 4.364771534850441 6.5658e-06 deg
node 312.7025029626641 6.5732e-05 deg
peri 173.7353336305979 7.2278e-05 deg
M 135.1192923537368 2.8379e-05 deg
tp 2456340.411149458036
(2013-Feb-16.91114946)
9.6655e-05 JED
period 1225.820408839098
3.36
1.0701e-05
2.93e-08
d
yr
n .2936808666295047 2.5637e-09 deg/d
Q 2.456681083962528 1.4297e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      8307 days (22.74 yr)  
   first obs. used      1991-09-01  
   last obs. used      2014-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51049  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:52:10  

Additional Information
 Earth MOID = 1.04165 AU 
 T_jup = 3.624 
[ 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 13.7 mag n/a MPO263470  

13529 Yokaboshi           Discovered 1991 Sept. 1 by T. Seki at Geisei.
Yokaboshi is a local astronomical group established at Baloon Yoka Astronomical Observatory in 1992 in collaboration with the local government. Equipped with a 0.4-m reflector, the group continues to popularize astronomy and educate the public. The name was suggested by H. Kosai.
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

Alternate Designations
 1991 RE1 = 1998 SN61 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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