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207754 Stathiskafalis (2007 ST4)
Classification: Main-belt Asteroid          SPK-ID: 2207754
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938173312586619 4.6336e-08  
a 2.380524672148365 1.7516e-08 au
q 1.919137733197168 1.1009e-07 au
i 2.956546055751212 6.7468e-06 deg
node 188.5199094776783 0.00010274 deg
peri 82.17213040501935 0.00010471 deg
M 308.4314905146619 2.147e-05 deg
tp 2459392.671745747413
(2021-Jun-27.17174575)
8.0778e-05 TDB
period 1341.55183385198
3.67
1.4807e-05
4.054e-08
d
yr
n .2683459490091685 2.9617e-09 deg/d
Q 2.841911611099563 2.0911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6943 days (19.01 yr)  
   first obs. used      2002-02-13  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:19:26  

Additional Information
 Earth MOID = .903975 au 
 Jupiter MOID = 2.26284 au 
 T_jup = 3.511 
[ show covariance matrix ]

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 17.50   n/a E2021B55  

207754 Stathiskafalis           Discovered 2007 Sept. 21 by W. Ries at Altschwendt.
Stathis Kafalis (b. 1962) is a German engineer, amateur astronomer and telescope maker with Greek roots. He promotes astronomy via his mirror-grinding courses and he has helped many amateur astronomer to build their own telescope.
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 2018-10-26Last Updated: 2019-04-09

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Alternate Designations
 2007 ST4 = 2006 HO19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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