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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09607544167421138 5.0365e-08  
a 2.241349112115567 1.0202e-08 au
q 2.026010506222962 1.1666e-07 au
i 4.364461829455289 4.3879e-06 deg
node 312.6971001131694 6.3253e-05 deg
peri 173.9608634403553 6.9689e-05 deg
M 9.85827902224089 2.7725e-05 deg
tp 2457566.936959790758
(2016-Jun-27.43695979)
9.4386e-05 JED
period 1225.639327926083
3.36
8.368e-06
2.291e-08
d
yr
n .2937242562289183 2.0054e-09 deg/d
Q 2.456687718008171 1.1182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1428  
   data-arc span      8980 days (24.59 yr)  
   first obs. used      1991-09-01  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49953  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:16:46  

Additional Information
 Earth MOID = 1.03984 au 
 Jupiter MOID = 2.58664 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 13.8 mag n/a MPO350910  

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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