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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330741871822769 6.5539e-08  
a 2.40299398540187 1.7525e-08 au
q 2.083217513990616 1.5847e-07 au
i 2.970531406855821 7.4023e-06 deg
node 198.0117672908417 0.00011924 deg
peri 186.5151077236919 0.0001226 deg
M 164.2181879738629 2.6487e-05 deg
tp 2456979.850789214117
(2014-Nov-18.35078921)
9.8071e-05 JED
period 1360.590557231578
3.73
1.4884e-05
4.075e-08
d
yr
n .2645909881459854 2.8945e-09 deg/d
Q 2.722770456813124 1.9857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      6050 days (16.56 yr)  
   first obs. used      1999-09-07  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 16:14:20  

Additional Information
 Earth MOID = 1.0855 au 
 Jupiter MOID = 2.72074 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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