Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
13014 Hasslacher (1987 WJ1)
Classification: Main-belt Asteroid          SPK-ID: 2013014
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298483267788215 5.7166e-08  
a 3.153401170409058 2.6732e-08 au
q 2.743937304769064 1.8153e-07 au
i 7.087149858064661 6.3845e-06 deg
node 32.71829670614337 4.0475e-05 deg
peri 357.9440349592899 4.6459e-05 deg
M 59.79216811629746 2.019e-05 deg
tp 2457260.789426565244
(2015-Aug-26.28942657)
0.0001153 JED
period 2045.348250269892
5.60
2.6008e-05
7.121e-08
d
yr
n .176009146585427 2.2381e-09 deg/d
Q 3.562865036049051 3.0203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1153  
   data-arc span      10363 days (28.37 yr)  
   first obs. used      1987-10-27  
   last obs. used      2016-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50334  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:15:17  

Additional Information
 Earth MOID = 1.74807 au 
 Jupiter MOID = 1.88013 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. 2016-February); 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-03 08:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin