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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541650880216507 5.4875e-08  
a 2.252387115543632 1.106e-08 AU
q 1.905147657617016 1.231e-07 AU
i 5.665500860541143 5.4788e-06 deg
node 111.5741736157496 5.7072e-05 deg
peri 261.9717959662556 6.0396e-05 deg
M 34.01738259480302 1.8868e-05 deg
tp 2456883.829415878294
(2014-Aug-14.32941588)
6.4783e-05 JED
period 1234.704350540796
3.38
9.0941e-06
2.49e-08
d
yr
n .2915677747813243 2.1475e-09 deg/d
Q 2.599626573470248 1.2765e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      21848 days (59.82 yr)  
   first obs. used      1955-02-24  
   last obs. used      2014-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46231  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:15:39  

Additional Information
 Earth MOID = .915354 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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