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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2002574320897897 5.2104e-08  
a 2.42534199396507 1.9672e-08 au
q 1.939649234314095 1.3365e-07 au
i 5.457356400602681 5.3747e-06 deg
node 297.9382447087055 7.3848e-05 deg
peri 348.51637050588 7.5785e-05 deg
M 83.71744820831589 2.1713e-05 deg
tp 2458679.672647115953
(2019-Jul-15.17264712)
8.0896e-05 TDB
period 1379.614996755051
3.78
1.6785e-05
4.595e-08
d
yr
n .2609423649690273 3.1748e-09 deg/d
Q 2.911034753616045 2.3612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      6956 days (19.04 yr)  
   first obs. used      1999-01-08  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57492  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 07:37:32  

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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