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 ]  
308660 (2006 BJ139)
Classification: Jupiter Trojan          SPK-ID: 2308660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03869631174016672 9.8051e-08  
a 5.204095426531449 2.5428e-07 au
q 5.002716127580812 6.7267e-07 au
i 18.40554438686038 9.9256e-06 deg
node 341.5225235131552 2.0599e-05 deg
peri 346.1229040682364 0.00012123 deg
M 273.897977242922 0.00012741 deg
tp 2460037.615578100625
(2023-Apr-03.11557810)
0.0015693 TDB
period 4336.269882643764
11.87
0.00031782
8.701e-07
d
yr
n .08302066286070575 6.0848e-09 deg/d
Q 5.405474725482085 2.6412e-07 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6783 days (18.57 yr)  
   first obs. used      2001-10-27  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:00:28  

Additional Information
 Earth MOID = 3.99475 au 
 Jupiter MOID = .00993271 au 
 T_jup = 2.896 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457462.5 (2016-Mar-15.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03876146962696181 9.8256e-08  
q 4.995654944390526 6.6855e-07 au
tp 2455747.795910234502
(2011-Jul-05.29591023)
0.001421 TDB
node 341.5336147160195 2.0595e-05 deg
peri 349.2768429154626 0.00011994 deg
i 18.41539953222831 9.9286e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6783 days (18.57 yr)  
   first obs. used      2001-10-27  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:00:28  

Additional Information
 Jupiter MOID = .00993271 au 
 T_jup = 2.896 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.654210100985049E-15 -6.221805891568016E-14 1.470014713041509E-11 1.411645924623696E-14 6.622057121223721E-13 3.788435921649676E-15
q -6.221805891568016E-14 4.46958564760688E-13 4.22904847218138E-11 -9.622197375935764E-14 8.663427683159325E-12 -1.12723353817066E-15
tp 1.470014713041509E-11 4.22904847218138E-11 2.019280652241917E-6 -8.864465416911982E-11 1.674167688415159E-7 6.857375788224701E-11
node 1.411645924623696E-14 -9.622197375935764E-14 -8.864465416911982E-11 4.241732341572262E-10 -4.104875163816872E-10 2.695930635262566E-11
peri 6.622057121223721E-13 8.663427683159325E-12 1.674167688415159E-7 -4.104875163816872E-10 1.438651533299848E-8 -1.934998424293449E-11
i 3.788435921649676E-15 -1.12723353817066E-15 6.857375788224701E-11 2.695930635262566E-11 -1.934998424293449E-11 9.857666735391932E-11

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 MPO437367  

308660 (2006 BJ139)          Discovered 2006-Jan-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-24 15:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin