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117861 (2005 LB2)
Classification: Main-belt Asteroid          SPK-ID: 2117861
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 .1453197255383238 6.8314e-08  
a 2.649584534183261 1.8269e-08 au
q 2.264547636885162 1.8128e-07 au
i 14.70221629375931 5.4535e-06 deg
node 91.33142496736653 2.1356e-05 deg
peri 152.4113375396845 2.6656e-05 deg
M 175.6450277604154 1.8849e-05 deg
tp 2458231.903404624405
(2018-Apr-23.40340462)
7.9315e-05 TDB
period 1575.306616209105
4.31
1.6293e-05
4.461e-08
d
yr
n .2285269396419611 2.3636e-09 deg/d
Q 3.03462143148136 2.0924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7050 days (19.30 yr)  
   first obs. used      2001-06-26  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:15:45  

Additional Information
 Earth MOID = 1.25963 au 
 Jupiter MOID = 2.04768 au 
 T_jup = 3.330 
[ 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 15.8   n/a MPO453649  

117861 (2005 LB2)          Discovered 2005-Jun-01 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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