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100049 Cesarann (1991 TD15)
Classification: Main-belt Asteroid          SPK-ID: 2100049
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2031936584715073 9.0571e-08  
a 2.355796935297652 1.9625e-08 au
q 1.877113937398558 2.1019e-07 au
i 3.291990357655953 8.9866e-06 deg
node 86.21534889195799 0.00014719 deg
peri 308.6726664885148 0.00014946 deg
M 307.9999952086505 2.3802e-05 deg
tp 2457791.268246793894
(2017-Feb-06.76824679)
8.863e-05 JED
period 1320.703125343303
3.62
1.6503e-05
4.518e-08
d
yr
n .2725820762379295 3.4061e-09 deg/d
Q 2.834479933196747 2.3613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      8632 days (23.63 yr)  
   first obs. used      1991-10-06  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56262  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 19:20:36  

Additional Information
 Earth MOID = .88457 au 
 Jupiter MOID = 2.59463 au 
 T_jup = 3.524 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9 mag n/a MPO169790  

100049 Césarann           Discovered 1991 Oct. 6 by A. Lowe on plates taken at Palomar.
César Hernandez (b. 1959) and Ann Hernandez (b. 1964) are the brother-in-law and sister, respectively, 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: 20060219/MPCPages.arcLast Updated: 2010-06-03

Alternate Designations
 1991 TD15 = 1996 BX5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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