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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328236845351388 6.9834e-08  
a 2.401769324469391 1.9625e-08 AU
q 2.082757473389895 1.7158e-07 AU
i 2.967472085200431 7.9615e-06 deg
node 198.063168095638 0.0001333 deg
peri 186.0677668330362 0.00013723 deg
M 5.852286677534672 2.8391e-05 deg
tp 2456978.398667475919
(2014-Nov-16.89866748)
0.00010717 JED
period 1359.550573489838
3.72
1.6664e-05
4.562e-08
d
yr
n .2647933861525386 3.2455e-09 deg/d
Q 2.720781175548887 2.2232e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      5531 days (15.14 yr)  
   first obs. used      1999-09-07  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49546  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 16:06:29  

Additional Information
 Earth MOID = 1.08611 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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