Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301408554809299 8.5609e-08  
a 2.316519595384551 8.6305e-09 au
q 2.015045753502868 2.0058e-07 au
i 6.730533664131962 7.3667e-06 deg
node 169.9903500055698 3.5754e-05 deg
peri 208.7600923568508 3.9765e-05 deg
M 59.02149752784118 1.5078e-05 deg
tp 2458789.365055733508
(2019-Nov-01.86505573)		 5.3833e-05 TDB
period 1287.811782479473
3.53		 7.1969e-06
1.97e-08		 d
yr
n .279543955799875 1.5622e-09 deg/d
Q 2.617993437266234 9.7537e-09 au
   Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      9785 days (26.79 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 17:02:36  

Additional Information
 Earth MOID = 1.0191 au 
 Jupiter MOID = 2.84598 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 14:47 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin