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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2774578030460677 5.5175e-08  
a 2.405356988648034 8.4767e-09 AU
q 1.737971923036245 1.3417e-07 AU
i 6.559131163367253 6.1505e-06 deg
node 225.4699121197323 4.8598e-05 deg
peri 122.3193168321929 4.929e-05 deg
M 308.5247219992749 1.034e-05 deg
tp 2457195.333637233721
(2015-Jun-21.83363723)
3.9538e-05 JED
period 1362.597971848768
3.73
7.2029e-06
1.972e-08
d
yr
n .2642011858505508 1.3966e-09 deg/d
Q 3.072742054259823 1.0829e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      31272 days (85.62 yr)  
   first obs. used      1929-09-08  
   last obs. used      2015-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54892  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:33:18  

Additional Information
 Earth MOID = .743085 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 LCDB (Rev. 2015-May); Warner et al., 2009 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
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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