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115312 Whither (2003 SP215)
Classification: Main-belt Asteroid          SPK-ID: 2115312
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329489675386248 8.026e-08  
a 2.402144360395711 3.1689e-08 AU
q 2.082781747802371 1.9724e-07 AU
i 2.967222554719487 9.1791e-06 deg
node 198.0648034923497 0.00017728 deg
peri 186.0422402130625 0.00018461 deg
M 312.9238927971225 5.2156e-05 deg
tp 2456978.325944629123
(2014-Nov-16.82594463)
0.00019946 JED
period 1359.869026353376
3.72
2.6909e-05
7.367e-08
d
yr
n .2647313770837003 5.2385e-09 deg/d
Q 2.721506972989051 3.5902e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      5020 days (13.74 yr)  
   first obs. used      1999-09-07  
   last obs. used      2013-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51928  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 23:27:59  

Additional Information
 Earth MOID = 1.08492 AU 
 T_jup = 3.511 
[ 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 16.1 mag n/a MPO264134  

115312 Whither           Discovered 2003 Sept. 19 by J. W. Young at Table Mountain Observatory.
Whitney Young (b. 1990) and Heather Young (b. 1992) are granddaughters of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Alternate Designations
 2003 SP215 = 1999 RC73 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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