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216780 Lilianne (2006 QP57)
Classification: Main-belt Asteroid          SPK-ID: 2216780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2192819725667572 5.282e-08  
a 2.214354905036198 1.0533e-08 au
q 1.728786793496986 1.1489e-07 au
i 6.45693001494595 7.3167e-06 deg
node 182.9701484478391 3.4546e-05 deg
peri 125.6197161165747 3.8006e-05 deg
M 162.2634432220602 1.3711e-05 deg
tp 2458658.015347084341
(2019-Jun-23.51534708)
4.5697e-05 TDB
period 1203.564223534772
3.30
8.5871e-06
2.351e-08
d
yr
n .299111582880645 2.1341e-09 deg/d
Q 2.69992301657541 1.2842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6910 days (18.92 yr)  
   first obs. used      2002-02-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:14  

Additional Information
 Earth MOID = .722408 au 
 Jupiter MOID = 2.594 au 
 T_jup = 3.615 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.59   n/a MPCxxxxx  

216780 Lilianne           Discovered 2006 Aug. 27 by J. W. Young at Wrightwood.
Lilianne Alice Osmonson (b. 2018) is the great-granddaughter of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2020-02-05Last Updated: 2020-02-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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