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56284 (1999 LA2)
Classification: Main-belt Asteroid          SPK-ID: 2056284
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417408557034522 3.3068e-08  
a 2.775162396103892 1.3141e-08 au
q 2.381808503364084 9.0063e-08 au
i 8.19643965986196 4.31e-06 deg
node 178.485255208415 2.7263e-05 deg
peri 98.93797541766033 3.1847e-05 deg
M 180.9650709033377 1.7934e-05 deg
tp 2459840.281489895070
(2022-Sep-17.78148990)
8.6512e-05 TDB
period 1688.616505659627
4.62
1.1994e-05
3.284e-08
d
yr
n .2131922782901927 1.5142e-09 deg/d
Q 3.168516288843701 1.5003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      9743 days (26.67 yr)  
   first obs. used      1994-03-14  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:38:12  

Additional Information
 Earth MOID = 1.38285 au 
 Jupiter MOID = 2.00775 au 
 T_jup = 3.306 
[ 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 14.1   n/a MPO502530  

56284 (1999 LA2)          Discovered 1999-Jun-05 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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