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227078 (2005 LZ18)
Classification: Jupiter Trojan          SPK-ID: 2227078
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0669998175178788 9.0818e-08  
a 5.113291220856221 1.4651e-07 au
q 4.770701642143083 5.4412e-07 au
i 16.37703306754021 8.2506e-06 deg
node 217.9330535159127 2.2016e-05 deg
peri 192.0957648641048 5.6829e-05 deg
M 330.952499722642 5.3594e-05 deg
tp 2459541.265392968163
(2021-Nov-22.76539297)
0.00062962 TDB
period 4223.273613811172
11.56
0.00018152
4.97e-07
d
yr
n .08524193147768332 3.6637e-09 deg/d
Q 5.455880799569359 1.5633e-07 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      8461 days (23.16 yr)  
   first obs. used      1997-10-21  
   last obs. used      2020-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42681  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:41  

Additional Information
 Earth MOID = 3.78118 au 
 Jupiter MOID = .0223394 au 
 T_jup = 2.916 
[ 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 13.4   n/a MPO494246  

227078 (2005 LZ18)          Discovered 2005-Jun-08 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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