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229425 Grosspointner (2005 TW50)
Classification: Main-belt Asteroid          SPK-ID: 2229425
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590621015249108 4.9292e-08  
a 2.638027175578634 1.8454e-08 au
q 2.218417029151272 1.2998e-07 au
i 2.683908703092741 5.7323e-06 deg
node 300.1900357406346 0.00011394 deg
peri 156.9898629486113 0.00011534 deg
M 153.1395144333914 1.8808e-05 deg
tp 2458534.763927624688
(2019-Feb-20.26392762)
7.8642e-05 TDB
period 1565.0107481525
4.28
1.6422e-05
4.496e-08
d
yr
n .2300303690725326 2.4138e-09 deg/d
Q 3.057637322005997 2.139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      7230 days (19.79 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:47:35  

Additional Information
 Earth MOID = 1.23535 au 
 Jupiter MOID = 2.1058 au 
 T_jup = 3.377 
[ 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 16.83   n/a E2021B55  
rotation period rot_per 5.89 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

229425 Grosspointner           Discovered 2005 Oct. 11 by W. Ries at Altschwendt.
Peter Grosspointner (b. 1960) is a well-known Austrian amateur astronomer and treasurer of the Astronomischer Arbeitskreis Salzkammergut, one of Austria's largest astronomical societies. He also supports the society with his extensive amateur telescope making skills.
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 2015-02-03Last Updated: 2015-02-04

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