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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666510167907439 4.6121e-08  
a 2.882481857439254 1.0236e-08 AU
q 2.40211332501613 1.3479e-07 AU
i 18.39309528051966 5.6257e-06 deg
node 249.8992964019166 1.8736e-05 deg
peri 174.5668469047926 2.7757e-05 deg
M 2.781217214413618 1.9867e-05 deg
tp 2456786.690412421025
(2014-May-09.19041242)
9.863e-05 JED
period 1787.509261292687
4.89
9.5215e-06
2.607e-08
d
yr
n .2013975579291019 1.0728e-09 deg/d
Q 3.362850389862377 1.1942e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      39132 days (107.14 yr)  
   first obs. used      1907-01-06  
   last obs. used      2014-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5473  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:34:15  

Additional Information
 Earth MOID = 1.41548 AU 
 T_jup = 3.198 
[ 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. 2013-Sep-12) 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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