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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3572143953168848 3.931e-08  
a 3.143358826412221 9.4682e-09 au
q 2.020505803971387 1.2426e-07 au
i 10.91749860326087 4.2688e-06 deg
node 294.5861880826634 2.4826e-05 deg
peri 86.24381889268369 2.535e-05 deg
M 29.31580530246496 4.8933e-06 deg
tp 2458434.736581256722
(2018-Nov-12.23658126)
2.7465e-05 TDB
period 2035.585587088147
5.57
9.1971e-06
2.518e-08
d
yr
n .1768532859947052 7.9905e-10 deg/d
Q 4.266211848853054 1.285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2152  
   data-arc span      35113 days (96.13 yr)  
   first obs. used      1923-09-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46237  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:59:46  

Additional Information
 Earth MOID = 1.05733 au 
 Jupiter MOID = 1.57034 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. 2019-January); Warner et al., 2009 Published Reference List:
[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

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