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6176 Horrigan (1985 BH)
Classification: Main-belt Asteroid          SPK-ID: 2006176
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547736980779801 5.4211e-08  
a 2.252661674303093 9.8148e-09 au
q 1.904008896452669 1.216e-07 au
i 5.662658333887958 4.3951e-06 deg
node 111.5306577235681 5.1966e-05 deg
peri 262.3325644300673 5.4089e-05 deg
M 208.5029897472804 1.5663e-05 deg
tp 2458120.189501726956
(2018-Jan-01.68950173)
5.4353e-05 JED
period 1234.930117166094
3.38
8.0709e-06
2.21e-08
d
yr
n .2915144711395691 1.9052e-09 deg/d
Q 2.601314452153517 1.1334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1597  
   data-arc span      22331 days (61.14 yr)  
   first obs. used      1955-02-24  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43988  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:54:53  

Additional Information
 Earth MOID = .913151 au 
 Jupiter MOID = 2.86913 au 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO309198  

6176 Horrigan           Discovered 1985 Jan. 16 by Z. Vavrova at Klet.
Barbara Llewellyn Horrigan (1915-2005) was an active member of the Arlington Friends of the Drama (Massachusetts) for 72 years. In addition to appearing on-stage in numerous shows, she also directed, designed sets and costumes and acted as makeup artist. She was AFD president from 1960 to 1963.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

Alternate Designations
 1985 BH = 1955 DJ = 1960 XC = 1963 SG = 1979 HJ3 = 1990 KD2 = 1990 SM16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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