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13014 Hasslacher (1987 WJ1)
Classification: Main-belt Asteroid          SPK-ID: 2013014
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304479369797727 8.2492e-08  
a 3.155329774203213 4.1622e-08 AU
q 2.743723514667552 2.6772e-07 AU
i 7.085934526031725 8.9439e-06 deg
node 32.72846439538237 5.7874e-05 deg
peri 357.9413500075595 6.4849e-05 deg
M 279.0582189455708 3.369e-05 deg
tp 2457260.794532065577
(2015-Aug-26.29453207)
0.0001963 JED
period 2047.224923703852
5.60
4.0507e-05
1.109e-07
d
yr
n .1758478005185115 3.4794e-09 deg/d
Q 3.566936033738874 4.7051e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      9742 days (26.67 yr)  
   first obs. used      1987-10-27  
   last obs. used      2014-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52411  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:29:39  

Additional Information
 Earth MOID = 1.74795 AU 
 T_jup = 3.181 
[ 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 13.1 mag n/a MPO263466  
rotation period rot_per 7.62 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Binzel, R.P.; Xu, S.; Bus, S.J.; Bowell, E. (1992) Icarus 99, 225-237; Science 257, 779-782.]

13014 Hasslacher           Discovered 1987 Nov. 17 by R. P. Binzel at the Anderson Mesa Station of the Lowell Observatory.
Marian Brasseau Hasslacher (1901-1997) and Charles Alfred (Carl) Hasslacher (1897-1973), maternal grandparents of the discoverer, encouraged and enabled his career as an astronomer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

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Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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