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1006 Lagrangea (1923 OU)
Classification: Main-belt Asteroid          SPK-ID: 2001006
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3554779774530204 3.8369e-08  
a 3.145860731799177 1.1311e-08 au
q 2.027576521510327 1.2054e-07 au
i 10.91027890824285 6.4921e-06 deg
node 294.6942872842573 2.5848e-05 deg
peri 86.07985662478617 2.7038e-05 deg
M 177.0720329971479 7.5994e-06 deg
tp 2456398.067500810541
(2013-Apr-15.56750081)
4.0992e-05 JED
period 2038.016357523934
5.58
1.0992e-05
3.009e-08
d
yr
n .1766423506224347 9.5271e-10 deg/d
Q 4.264144942088026 1.5332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      33474 days (91.65 yr)  
   first obs. used      1923-09-16  
   last obs. used      2015-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49789  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:32:32  

Additional Information
 Earth MOID = 1.06338 au 
 Jupiter MOID = 1.57018 au 
 T_jup = 3.081 
[ 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 11.3 mag n/a MPO250203  
diameter diameter 29.56 km 2.3 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 32.79 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0670   0.012 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3

1006 Lagrangea (1923 OU)          Discovered 1923-Sep-12 by Belyavskij, S. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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