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171112 Sickafoose (2005 ER301)
Classification: Main-belt Asteroid          SPK-ID: 2171112
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1070832746190093 2.2245e-07  
a 2.894795274520278 3.8377e-08 AU
q 2.584811117173013 6.3e-07 AU
i 1.96505058413471 1.708e-05 deg
node 16.91444541571936 0.00023188 deg
peri 352.2123873275152 0.00023835 deg
M 164.4309792902772 4.9476e-05 deg
tp 2456178.813121263499
(2012-Sep-08.31312126)
0.00024352 JED
period 1798.975336776039
4.93
3.5774e-05
9.794e-08
d
yr
n .2001139163170294 3.9794e-09 deg/d
Q 3.204779431867543 4.2486e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1992-09-24  
   last obs. used      2015-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61077  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 22:33:37  

Additional Information
 Earth MOID = 1.58405 AU 
 T_jup = 3.280 
[ 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 16.6 mag n/a MPO248290  

171112 Sickafoose           Discovered 2005 Mar. 11 by A. Gulbis at Kitt Peak in the course of the Deep Ecliptic Survey.
J. Lorin (b. 1944) and Tanalynne (1945-2006) Sickafoose offered unwavering support and encouragement to their daughter, the discoverer of this minor planet. Their intelligence, humor and character have made them wonderful human beings and exceptional parents.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080618/MPCPages.arcLast Updated: 2008-06-20

Alternate Designations
 2005 ER301 = 1992 SD3 = 2002 TO373 = 2002 TZ322 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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