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100733 Annafalcka (1998 DA1)
Classification: Main-belt Asteroid          SPK-ID: 2100733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034219763813973 3.6946e-08  
a 2.297972293202025 1.1665e-08 au
q 2.06031145696938 8.4719e-08 au
i 6.160309898427487 4.2319e-06 deg
node 131.0187634308651 3.8205e-05 deg
peri 355.7624891650307 4.5e-05 deg
M 151.7564601296223 2.4867e-05 deg
tp 2458464.135166443107
(2018-Dec-11.63516644)
8.5697e-05 TDB
period 1272.376410964996
3.48
9.6882e-06
2.652e-08
d
yr
n .2829351415961639 2.1543e-09 deg/d
Q 2.535633129434671 1.2871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1998-01-18  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56653  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:32  

Additional Information
 Earth MOID = 1.07551 au 
 Jupiter MOID = 2.502 au 
 T_jup = 3.579 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO469013  

100733 Annafalcká           Discovered 1998 Feb. 18 by M. Tichy at Klet.
Anna Falcká (or Anne of the Palatinate, 1329--1353) was the second wife of Roman Emperor and King of Bohemia Charles IV. In 1350 she gave birth to a long-desired son, Wenceslaus, who, unfortunately, died a year later.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-01-12Last Updated: 2017-01-17

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