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1150 Achaia (1929 RB)
Classification: Main-belt Asteroid          SPK-ID: 2001150
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044467506219222 4.6622e-08  
a 2.191130774056004 6.1967e-09 au
q 1.743161207112557 1.0179e-07 au
i 2.392313817908246 4.4117e-06 deg
node 206.5427204190536 0.00011442 deg
peri 139.540076810763 0.00011476 deg
M 226.4606685156605 1.1657e-05 deg
tp 2457839.948080278736
(2017-Mar-27.44808028)
3.9021e-05 JED
period 1184.679503348401
3.24
5.0256e-06
1.376e-08
d
yr
n .3038796560440938 1.2891e-09 deg/d
Q 2.63910034099945 7.4636e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1726  
   data-arc span      31518 days (86.29 yr)  
   first obs. used      1929-09-02  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5027  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:37:22  

Additional Information
 Earth MOID = .735022 au 
 Jupiter MOID = 2.76838 au 
 T_jup = 3.644 
[ 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 12.6 mag n/a MPO250205  
rotation period rot_per 60.99 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2015) Astron. Astrophys., in press.arXiv:1510.07422]

1150 Achaia (1929 RB)          Discovered 1929-Sep-02 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 RB = 1955 SZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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