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568 Cheruskia (A905 OD)
Classification: Main-belt Asteroid          SPK-ID: 2000568
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684484332748102 1.923e-08  
a 2.880670632985095 7.4924e-09 au
q 2.395426178078 5.448e-08 au
i 18.39566211640631 8.539e-07 deg
node 249.7726117434909 3.689e-06 deg
peri 173.9671256947803 4.9276e-06 deg
M 166.4157939788308 5.8841e-06 deg
tp 2458570.973773097428
(2019-Mar-28.47377310)
2.7563e-05 TDB
period 1785.824738021743
4.89
6.9672e-06
1.908e-08
d
yr
n .2015875311475369 7.8647e-10 deg/d
Q 3.36591508789219 8.7545e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3100  
   data-arc span      41810 days (114.47 yr)  
   first obs. used      1907-01-06  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:16:15  

Additional Information
 Earth MOID = 1.40953 au 
 Jupiter MOID = 1.96566 au 
 T_jup = 3.198 
[ 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 9.55   n/a E2021B10  
diameter diameter 71.224 km 0.906 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 13.209 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2009) Minor Planet Bull. 36, 7-13.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.056   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

568 Cheruskia (A905 OD)          Discovered 1905-Jul-26 by Gotz, P. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A905 OD = 1956 DA = A891 XB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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