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568 Cheruskia (1905 QS)
Classification: Main-belt Asteroid          SPK-ID: 2000568
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670922730517137 3.5648e-08  
a 2.883963106975084 1.2903e-08 AU
q 2.402075156033334 1.0585e-07 AU
i 18.38685893544078 4.4509e-06 deg
node 249.8866143804466 1.559e-05 deg
peri 174.6138662643225 2.0928e-05 deg
M 42.99754705299079 1.4658e-05 deg
tp 2456786.839540971361
(2014-May-09.33954097)
7.2489e-05 JED
period 1788.887285954137
4.90
1.2005e-05
3.287e-08
d
yr
n .2012424163482089 1.3505e-09 deg/d
Q 3.365851057916833 1.5058e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      39410 days (107.90 yr)  
   first obs. used      1907-01-06  
   last obs. used      2014-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51412  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-07 23:46:14  

Additional Information
 Earth MOID = 1.41602 AU 
 T_jup = 3.197 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.4 mag n/a MPO267708  
diameter diameter 86.99 km 1.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17
rotation period rot_per 13.209 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Warner, B.D. (2009) Minor Planet Bul. 36, 7-13.]
geometric albedo albedo 0.0535   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 17

568 Cheruskia (1905 QS)          Discovered 1905-Jul-26 by Gotz, P. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1905 QS = 1956 DA = A891 XB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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