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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329489536359515 7.1118e-08  
a 2.402144383297577 2.8907e-08 AU
q 2.082781801055686 1.7883e-07 AU
i 2.967221603664598 8.058e-06 deg
node 198.0648152995199 0.00016601 deg
peri 186.0422319780586 0.00017195 deg
M 312.9238788960722 4.4111e-05 deg
tp 2456978.325999682214
(2014-Nov-16.82599968)
0.00016866 JED
period 1359.869045800711
3.72
2.4546e-05
6.72e-08
d
yr
n .2647313732978065 4.7786e-09 deg/d
Q 2.721506965539467 3.275e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      5387 days (14.75 yr)  
   first obs. used      1999-09-07  
   last obs. used      2014-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49005  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 16:27:43  

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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