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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299819606453943 5.8598e-08  
a 3.153836065479173 2.7467e-08 au
q 2.743894270134034 1.8733e-07 au
i 7.087067100364377 6.6258e-06 deg
node 32.71764660171045 4.3001e-05 deg
peri 357.9638423222682 4.8882e-05 deg
M 24.56707016525375 2.1003e-05 deg
tp 2457260.892752335137
(2015-Aug-26.39275233)
0.0001195 JED
period 2045.771385080888
5.60
2.6725e-05
7.317e-08
d
yr
n .175972741932631 2.2988e-09 deg/d
Q 3.563777860824312 3.1037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      10275 days (28.13 yr)  
   first obs. used      1987-10-27  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50048  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:22:46  

Additional Information
 Earth MOID = 1.74794 au 
 Jupiter MOID = 1.88041 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 13.3 mag n/a MPO347628  
rotation period rot_per 7.62 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 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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