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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1682347770384136 2.8343e-08  
a 2.881752282611287 8.0659e-09 au
q 2.396941329866238 8.2578e-08 au
i 18.39326029714651 3.417e-06 deg
node 249.7812161962351 1.3124e-05 deg
peri 174.0817537002572 1.8425e-05 deg
M 86.47378576713095 1.289e-05 deg
tp 2458571.294412203570
(2019-Mar-28.79441220)
6.3561e-05 TDB
period 1786.830658979268
4.89
7.5019e-06
2.054e-08
d
yr
n .2014740446672496 8.4588e-10 deg/d
Q 3.366563235356337 9.4229e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2858  
   data-arc span      41480 days (113.57 yr)  
   first obs. used      1907-01-06  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:18:09  

Additional Information
 Earth MOID = 1.41132 au 
 Jupiter MOID = 1.96303 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 9.6   n/a MPO502158  
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. 2019-August); 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

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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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