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120299 Billlynch (2004 JL28)
Classification: Main-belt Asteroid          SPK-ID: 2120299
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302480818372231 8.251e-08  
a 2.316623122843855 8.3863e-09 au
q 2.014887404753686 1.9301e-07 au
i 6.730969448613504 7.0192e-06 deg
node 169.9852705850617 3.3799e-05 deg
peri 208.7791535016468 3.7988e-05 deg
M 114.9014815600402 1.5052e-05 deg
tp 2458789.440551757964
(2019-Nov-01.94055176)
5.3561e-05 TDB
period 1287.898113740225
3.53
6.9934e-06
1.915e-08
d
yr
n .2795252172196392 1.5178e-09 deg/d
Q 2.618358840934025 9.4786e-09 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      10136 days (27.75 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:39  

Additional Information
 Earth MOID = 1.01753 au 
 Jupiter MOID = 2.84677 au 
 T_jup = 3.560 
[ 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 16.2   n/a MPO432704  

120299 Billlynch           Discovered 2004 May 9 by G. Hug at Sandlot.
Bill Lynch (b. 1962) has worked tirelessly for many years assisting amateur and professional astronomers with their CCD cameras and related equipment.
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 2014-03-16Last Updated: 2014-03-21

Alternate Designations
 2004 JL28 = 1998 UJ25 = 2001 PJ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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