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 ]  
487662 (2015 PJ39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487662
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074695891051927 7.9101e-08  
a 3.231547814724339 8.6804e-08 au
q 2.884254698902131 2.6442e-07 au
i 12.48140362942022 9.2883e-06 deg
node 130.5787275553233 2.8628e-05 deg
peri 226.5363929315613 4.4405e-05 deg
M 273.1938718750035 3.4754e-05 deg
tp 2459512.137291201903
(2021-Oct-24.63729120)
0.0002136 TDB
period 2121.848178362033
5.81
8.5494e-05
2.341e-07
d
yr
n .1696634112049916 6.8361e-09 deg/d
Q 3.578840930546547 9.6132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4891 days (13.39 yr)  
   first obs. used      2006-01-04  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:34  

Additional Information
 Earth MOID = 1.89463 au 
 Jupiter MOID = 1.85993 au 
 T_jup = 3.140 
[ 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 15.9   n/a MPO434802  

487662 (2015 PJ39)          Discovered 2012-Jan-26 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 PJ39 = 2014 OD236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 10:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin