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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130331963787917 7.4925e-08  
a 3.155057518832594 3.8378e-08 AU
q 2.743852676539309 2.5036e-07 AU
i 7.086089981089211 7.5135e-06 deg
node 32.72112501388324 5.7636e-05 deg
peri 357.962200803088 6.4656e-05 deg
M 314.2050642986696 3.3299e-05 deg
tp 2457260.889999870956
(2015-Aug-26.38999987)
0.00019167 JED
period 2046.959964414159
5.60
3.7348e-05
1.023e-07
d
yr
n .1758705623258402 3.2089e-09 deg/d
Q 3.566262361125879 4.3379e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      9780 days (26.78 yr)  
   first obs. used      1987-10-27  
   last obs. used      2014-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52399  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:21:37  

Additional Information
 Earth MOID = 1.74917 AU 
 T_jup = 3.182 
[ 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 13.2 mag n/a MPO302146  
rotation period rot_per 7.62 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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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