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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032365069222033 9.0513e-08  
a 2.355366752635363 1.9685e-08 AU
q 1.876670241309059 2.0995e-07 AU
i 3.292273016349601 8.9876e-06 deg
node 86.21711608785354 0.00014718 deg
peri 308.7661345372009 0.00014945 deg
M 144.3011508607065 2.2757e-05 deg
tp 2456471.258938842894
(2013-Jun-27.75893884)
8.0596e-05 JED
period 1320.34138938
3.61
1.6552e-05
4.532e-08
d
yr
n .2726567559690354 3.4181e-09 deg/d
Q 2.834063263961668 2.3686e-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 = .885329 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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