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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 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670922863593415 3.4212e-08  
a 2.883963102363531 1.2253e-08 AU
q 2.40207511381363 1.0082e-07 AU
i 18.38686044109862 4.3123e-06 deg
node 249.8866131214248 1.555e-05 deg
peri 174.6138682768706 2.0878e-05 deg
M 42.99754849605189 1.4506e-05 deg
tp 2456786.839534313076
(2014-May-09.33953431)
7.1793e-05 JED
period 1788.887281663403
4.90
1.14e-05
3.121e-08
d
yr
n .2012424168308988 1.2825e-09 deg/d
Q 3.365851090913434 1.43e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1446  
   data-arc span      39560 days (108.31 yr)  
   first obs. used      1907-01-06  
   last obs. used      2015-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50435  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:30:12  

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 9.5 mag n/a MPO337246  
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 LCDB (Rev. 2015-May); Warner et al., 2009 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
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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