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49777 Cappi (1999 XS)
Classification: Main-belt Asteroid          SPK-ID: 2049777
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06784671724239955 1.0614e-07  
a 2.355447239187676 2.4408e-08 AU
q 2.195637876371119 2.4155e-07 AU
i 4.469951026376334 9.6064e-06 deg
node 237.69607806 9.0209e-05 deg
peri 341.7088604503134 0.00010478 deg
M 216.9564057203765 5.333e-05 deg
tp 2457325.155719120667
(2015-Oct-29.65571912)
0.00019554 JED
period 1320.409067142306
3.62
2.0524e-05
5.619e-08
d
yr
n .2726427809066243 4.2378e-09 deg/d
Q 2.515256602004233 2.6064e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      8144 days (22.30 yr)  
   first obs. used      1991-09-13  
   last obs. used      2013-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61503  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 07:39:35  

Additional Information
 Earth MOID = 1.18792 AU 
 T_jup = 3.548 
[ 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 15.5 mag n/a MPO267873  

49777 Cappi           Discovered 1999 Dec. 2 by P. G. Comba at Prescott.
Margaret Capitola Sonntag Comba (b. 1940) is the discoverer's second wife and the joy and comfort of his old age. She is a psychologist and art therapist by profession and a faculty member at Prescott College.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

[ show close-approach data ]
Alternate Designations
 1999 XS = 2001 KD31 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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