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 ]  
201488 (2003 HJ39)
Classification: Main-belt Asteroid          SPK-ID: 2201488
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 .180490484056208 4.6255e-08  
a 2.31552752595505 1.2e-08 au
q 1.897596841949949 1.0967e-07 au
i 1.430628546054443 4.8228e-06 deg
node 253.7025024712266 0.00020342 deg
peri 339.0522313471453 0.00020382 deg
M 298.0511031495695 1.3699e-05 deg
tp 2459221.964655577581
(2021-Jan-07.46465558)
4.9545e-05 TDB
period 1286.984596358877
3.52
1.0004e-05
2.739e-08
d
yr
n .279723627631992 2.1745e-09 deg/d
Q 2.73345820996015 1.4166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:05:52  

Additional Information
 Earth MOID = .886713 au 
 Jupiter MOID = 2.2634 au 
 T_jup = 3.559 
[ 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 17.1   n/a MPO454428  

201488 (2003 HJ39)          Discovered 2003-Apr-29 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2003 HJ39 = 2006 BO24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-05 13:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin