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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3561474589280159 3.8032e-08  
a 3.14436313515417 1.1073e-08 au
q 2.024506194622083 1.1963e-07 au
i 10.91084726326787 6.087e-06 deg
node 294.6459089220696 2.5727e-05 deg
peri 86.11967758070945 2.6732e-05 deg
M 212.4463425902386 7.5378e-06 deg
tp 2458435.227936843170
(2018-Nov-12.72793684)
4.5062e-05 JED
period 2036.561224836582
5.58
1.0758e-05
2.945e-08
d
yr
n .1767685624226137 9.3373e-10 deg/d
Q 4.264220075686258 1.5016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1308  
   data-arc span      33817 days (92.59 yr)  
   first obs. used      1923-09-16  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49585  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:31:27  

Additional Information
 Earth MOID = 1.06066 au 
 Jupiter MOID = 1.56955 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. 2016-February); 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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