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12415 Wakatatakayo (1995 SW52)
Classification: Main-belt Asteroid          SPK-ID: 2012415
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655468261300859 7.2355e-08  
a 2.282266479546577 1.6306e-08 AU
q 1.904444507474557 1.6745e-07 AU
i 4.702929229127708 6.6783e-06 deg
node 247.7931114694976 7.9605e-05 deg
peri 74.54566383292193 8.204e-05 deg
M 239.1855070667227 1.8723e-05 deg
tp 2457423.134055367528
(2016-Feb-04.63405537)
6.6059e-05 JED
period 1259.354372462064
3.45
1.3496e-05
3.695e-08
d
yr
n .2858607615711791 3.0636e-09 deg/d
Q 2.660088451618597 1.9005e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      12947 days (35.45 yr)  
   first obs. used      1978-11-30  
   last obs. used      2014-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53747  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:22:47  

Additional Information
 Earth MOID = .899246 AU 
 T_jup = 3.582 
[ 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 13.9 mag n/a PDS3 (MPC 36717)  
rotation period rot_per 4.3606 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]

12415 Wakatatakayo           Discovered 1995 Sept. 22 by K. Endate and K. Watanabe at Kitami.
Takayo Wakata (b. 1933) was born in Hita city, Oita prefecture. Her eldest son, Koichi, is an astronaut.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080819/MPCPages.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 1995 SW52 = 1978 WR17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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