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213267 (2001 LB9)
Classification: Main-belt Asteroid          SPK-ID: 2213267
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1255590607969521 9.2389e-08  
a 2.533246873798842 1.4497e-08 au
q 2.215174775557844 2.3868e-07 au
i 14.52292682102047 8.4691e-06 deg
node 228.1305496023747 1.6124e-05 deg
peri 8.956001689341116 2.7848e-05 deg
M 317.515388685129 2.0485e-05 deg
tp 2459374.297629441287
(2021-Jun-08.79762944)
8.4277e-05 TDB
period 1472.701400870832
4.03
1.2642e-05
3.461e-08
d
yr
n .2444487387511999 2.0984e-09 deg/d
Q 2.85131897203984 1.6318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      8234 days (22.54 yr)  
   first obs. used      1998-10-15  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52372  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:22  

Additional Information
 Earth MOID = 1.20365 au 
 Jupiter MOID = 2.14933 au 
 T_jup = 3.394 
[ 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 15.63   n/a E2021B55  

213267 (2001 LB9)          Discovered 2001-Jun-15 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2001 LB9 = 2005 LB22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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