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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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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3579170572809389 1.8804e-08  
a 3.141725149355143 8.9237e-09 au
q 2.017248129112432 5.973e-08 au
i 10.9182107861022 1.0597e-06 deg
node 294.5804549345398 7.5915e-06 deg
peri 86.18638227329592 7.3497e-06 deg
M 170.1523858887944 3.8003e-06 deg
tp 2458435.139548534183
(2018-Nov-12.63954853)
1.9432e-05 TDB
period 2033.998881178699
5.57
8.666e-06
2.373e-08
d
yr
n .1769912477982193 7.5409e-10 deg/d
Q 4.266202169597854 1.2118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3103  
   data-arc span      35714 days (97.78 yr)  
   first obs. used      1923-09-12  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40747  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:50:38  

Additional Information
 Earth MOID = 1.05411 au 
 Jupiter MOID = 1.5746 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 11.35   n/a E2021B10  
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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