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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06748462621849205 7.9983e-08  
a 2.35640669504583 1.96e-08 AU
q 2.19738547001191 1.8884e-07 AU
i 4.468127547872498 7.8719e-06 deg
node 237.6737145347282 8.4324e-05 deg
peri 341.4693076879523 9.969e-05 deg
M 271.7109795044353 5.3391e-05 deg
tp 2457324.524610126865
(2015-Oct-29.02461013)
0.00019578 JED
period 1321.215922330132
3.62
1.6485e-05
4.513e-08
d
yr
n .2724762803078352 3.3996e-09 deg/d
Q 2.51542792007975 2.0923e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      8527 days (23.35 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61094  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:07:39  

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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