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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06748457967867477 9.1001e-08  
a 2.356406685085488 2.1692e-08 AU
q 2.197385570390475 2.1077e-07 AU
i 4.46813342207223 8.8187e-06 deg
node 237.6736824514037 8.6896e-05 deg
peri 341.469341627871 0.00010187 deg
M 271.7109826229653 5.3465e-05 deg
tp 2457324.524596627283
(2015-Oct-29.02459663)
0.00019616 JED
period 1321.215913953121
3.62
1.8244e-05
4.995e-08
d
yr
n .2724762820354383 3.7624e-09 deg/d
Q 2.515427799780502 2.3156e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      8495 days (23.26 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61218  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:20:57  

Additional Information
 Earth MOID = 1.19105 AU 
 T_jup = 3.547 
[ 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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