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187045 (2005 LO21)
Classification: Main-belt Asteroid          SPK-ID: 2187045
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 .0754352744120049 3.8545e-08  
a 2.183194967465628 1.1241e-08 au
q 2.018505055999951 8.5816e-08 au
i 3.167266361370252 5.5289e-06 deg
node 259.4738246023464 8.1822e-05 deg
peri 105.5073740353884 9.0318e-05 deg
M 177.7236816051148 3.969e-05 deg
tp 2458618.825520815199
(2019-May-15.32552082)
0.0001284 TDB
period 1178.249350988585
3.23
9.1003e-06
2.492e-08
d
yr
n .3055380422641011 2.3598e-09 deg/d
Q 2.347884878931306 1.2089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      5876 days (16.09 yr)  
   first obs. used      2003-12-27  
   last obs. used      2020-01-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:47  

Additional Information
 Earth MOID = 1.01744 au 
 Jupiter MOID = 2.93818 au 
 T_jup = 3.673 
[ 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 16.8   n/a MPO440040  

187045 (2005 LO21)          Discovered 2005-Jun-06 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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