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66406 (1999 LA22)
Classification: Main-belt Asteroid          SPK-ID: 2066406
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08699777467526824 3.3526e-08  
a 2.3125041839829 8.7808e-09 au
q 2.11132146604914 7.6263e-08 au
i 5.375362907435306 3.3029e-06 deg
node 134.4192877435223 4.1291e-05 deg
peri 329.9550847107182 4.7546e-05 deg
M 190.7101165771988 2.5555e-05 deg
tp 2459804.519170792745
(2022-Aug-13.01917079)
9.2611e-05 TDB
period 1284.464830909683
3.52
7.3159e-06
2.003e-08
d
yr
n .2802723681776799 1.5963e-09 deg/d
Q 2.513686901916659 9.5448e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1404  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1999-06-09  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:55  

Additional Information
 Earth MOID = 1.12987 au 
 Jupiter MOID = 2.5701 au 
 T_jup = 3.573 
[ 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 15.08   n/a E2021B10  

66406 (1999 LA22)          Discovered 1999-Jun-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 LA22 = 2000 RR71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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