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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014284771620773 5.0803e-08  
a 2.356048724186066 1.3265e-08 au
q 1.881473417553612 1.2218e-07 au
i 3.291872893504441 6.1185e-06 deg
node 86.19948594989756 0.00010442 deg
peri 308.9081909597509 0.00010591 deg
M 329.2046105887202 2.1225e-05 deg
tp 2459113.494688098530
(2020-Sep-20.99468810)
7.8545e-05 TDB
period 1320.914867229149
3.62
1.1155e-05
3.054e-08
d
yr
n .272538381489462 2.3016e-09 deg/d
Q 2.83062403081852 1.5937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      10180 days (27.87 yr)  
   first obs. used      1991-10-06  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56717  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:04:40  

Additional Information
 Earth MOID = .890439 au 
 Jupiter MOID = 2.598 au 
 T_jup = 3.525 
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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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