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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014284874390384 4.8773e-08  
a 2.356048725543268 8.7403e-09 au
q 1.881473394424414 1.151e-07 au
i 3.291872806787826 5.3062e-06 deg
node 86.19940641039283 9.2993e-05 deg
peri 308.9082734429979 9.3927e-05 deg
M 329.2046074357013 1.2198e-05 deg
tp 2459113.494699765248
(2020-Sep-20.99469976)
4.4892e-05 TDB
period 1320.91486837052
3.62
7.3503e-06
2.012e-08
d
yr
n .2725383812539683 1.5166e-09 deg/d
Q 2.830624056662123 1.0501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      10616 days (29.07 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:08:21  

Additional Information
 Earth MOID = .890439 au 
 Jupiter MOID = 2.598 au 
 T_jup = 3.525 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO436465  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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