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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328236864687491 7.0519e-08  
a 2.401769321785646 2.3111e-08 AU
q 2.08275746641853 1.7493e-07 AU
i 2.967474599722863 8.021e-06 deg
node 198.0629659132869 0.00015608 deg
peri 186.0679658897548 0.00016066 deg
M 5.852290618775753 3.4836e-05 deg
tp 2456978.398652628750
(2014-Nov-16.89865263)
0.00013142 JED
period 1359.550571211089
3.72
1.9623e-05
5.372e-08
d
yr
n .26479338659636 3.822e-09 deg/d
Q 2.720781177152763 2.6181e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      5474 days (14.99 yr)  
   first obs. used      1999-09-07  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48062  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 15:59:51  

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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