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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328111845134253 6.8789e-08  
a 2.40286506519038 1.879e-08 au
q 2.083737709656517 1.6822e-07 au
i 2.967956121312699 7.7667e-06 deg
node 198.0370967561224 0.00012679 deg
peri 186.3232799780023 0.00013064 deg
M 111.5220853779146 2.7498e-05 deg
tp 2456979.045317930900
(2014-Nov-17.54531793)
0.00010316 JED
period 1360.481065528236
3.72
1.5958e-05
4.369e-08
d
yr
n .2646122824651164 3.1038e-09 deg/d
Q 2.721992420724243 2.1286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      5937 days (16.25 yr)  
   first obs. used      1999-09-07  
   last obs. used      2015-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51695  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 17:08:23  

Additional Information
 Earth MOID = 1.0857 au 
 Jupiter MOID = 2.72317 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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