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154713 (2004 LA2)
Classification: Main-belt Asteroid          SPK-ID: 2154713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2002573866123105 4.6843e-08  
a 2.425341992946445 1.4109e-08 au
q 1.939649343797897 1.1665e-07 au
i 5.457357567536915 5.2594e-06 deg
node 297.938310001269 6.109e-05 deg
peri 348.5163260136352 6.2678e-05 deg
M 83.71743275461654 1.4112e-05 deg
tp 2458679.672706540724
(2019-Jul-15.17270654)
5.3455e-05 TDB
period 1379.61499588591
3.78
1.2038e-05
3.296e-08
d
yr
n .2609423651334178 2.2769e-09 deg/d
Q 2.911034642094994 1.6934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1999-01-08  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:16:34  

Additional Information
 Earth MOID = .923622 au 
 Jupiter MOID = 2.26345 au 
 T_jup = 3.477 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO245167  
diameter diameter 2.777 km 0.699 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 8.89 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.100   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

154713 (2004 LA2)          Discovered 2004-Jun-10 by CSS at Catalina
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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