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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2015003226435732 4.6817e-08  
a 2.35623480318592 7.5626e-09 au
q 1.881452730119941 1.0979e-07 au
i 3.29183080722864 5.1685e-06 deg
node 86.19974534507216 6.6049e-05 deg
peri 308.9322533963439 6.7183e-05 deg
M 23.69384934488335 9.9035e-06 deg
tp 2459113.552039661131
(2020-Sep-21.05203966)
3.6364e-05 TDB
period 1321.071357649721
3.62
6.3602e-06
1.741e-08
d
yr
n .2725060973545482 1.312e-09 deg/d
Q 2.831016876251899 9.0865e-09 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      10697 days (29.29 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50925  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:20  

Additional Information
 Earth MOID = .889334 au 
 Jupiter MOID = 2.59862 au 
 T_jup = 3.524 
[ 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 17.05   n/a MPCxxxxx  

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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