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1151 Ithaka (1929 RK)
Classification: Main-belt Asteroid          SPK-ID: 2001151
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2774860800299432 5.5278e-08  
a 2.405023875101723 8.4829e-09 AU
q 1.737663227621322 1.3438e-07 AU
i 6.559687019011315 6.1572e-06 deg
node 225.4713829062728 4.9002e-05 deg
peri 122.3466241876207 4.9689e-05 deg
M 255.6514058162631 1.0259e-05 deg
tp 2457195.376798246683
(2015-Jun-21.87679825)
3.9612e-05 JED
period 1362.314926049681
3.73
7.2077e-06
1.973e-08
d
yr
n .264256078470707 1.3981e-09 deg/d
Q 3.072384522582124 1.0837e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1064  
   data-arc span      30973 days (84.80 yr)  
   first obs. used      1929-09-08  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55218  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:58:04  

Additional Information
 Earth MOID = .741175 AU 
 T_jup = 3.461 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO263354  
rotation period rot_per 4.93115 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Aymami, J.M. (2012) Minor Planet Bul. 39, 29.]
[Franco, L.; Ferrero, A.; Durkee, R.I. (2012) Minor Planet Bul. 39, 47-48.]

1151 Ithaka (1929 RK)          Discovered 1929-Sep-08 by Reinmuth, K. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1929 RK = 1966 LA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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