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1006 Lagrangea (A923 RU)
Classification: Main-belt Asteroid          SPK-ID: 2001006
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3574288609907323 3.5797e-08  
a 3.142834641466138 9.1697e-09 au
q 2.01949483528468 1.1255e-07 au
i 10.91871495974287 4.2255e-06 deg
node 294.5872536189774 2.0739e-05 deg
peri 86.20197548742956 2.1385e-05 deg
M 100.0814243402998 4.9839e-06 deg
tp 2458434.740701105301
(2018-Nov-12.24070111)		 2.738e-05 TDB
period 2035.076428464443
5.57		 8.9065e-06
2.438e-08		 d
yr
n .17689753316618 7.7419e-10 deg/d
Q 4.266174447647596 1.2447e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2673  
   data-arc span      35495 days (97.18 yr)  
   first obs. used      1923-09-12  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42485  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:36:35  

Additional Information
 Earth MOID = 1.05704 au 
 Jupiter MOID = 1.57294 au 
 T_jup = 3.081 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.3   n/a MPO250203  
diameter diameter 35.310 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.497 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Carreno, A.; Arce, E.; Fornas, G.; Mas, V. (2019) Minor Planet Bull. 46, 200-203.]
[Polakis, T. (2019) Minor Planet Bull. 46, 78-80.]
geometric albedo albedo 0.046   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1006 Lagrangea (A923 RU)          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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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