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 ]  
487792 (2015 RH239)
Classification: Main-belt Asteroid          SPK-ID: 2487792
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05679371318525329 6.5961e-08  
a 2.649961467611221 3.0902e-08 au
q 2.499460316067736 1.8846e-07 au
i 14.19471440574119 5.1784e-06 deg
node 94.0003025236587 2.9187e-05 deg
peri 323.6835718705547 6.6915e-05 deg
M 8.248490138494208 6.0128e-05 deg
tp 2458964.398127827625
(2020-Apr-24.89812783)
0.00026294 TDB
period 1575.642785993251
4.31
2.7561e-05
7.546e-08
d
yr
n .2284781824917656 3.9965e-09 deg/d
Q 2.800462619154706 3.2657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6286 days (17.21 yr)  
   first obs. used      2002-09-05  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:59:53  

Additional Information
 Earth MOID = 1.52522 au 
 Jupiter MOID = 2.43503 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457682.5 (2016-Oct-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05574278285617615 6.6323e-08  
q 2.502066937496976 1.8926e-07 au
tp 2457381.248135200012
(2015-Dec-24.74813520)
0.00025834 TDB
node 94.08764316094566 2.9235e-05 deg
peri 321.9926318749515 6.7742e-05 deg
i 14.18253309452097 5.1732e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6286 days (17.21 yr)  
   first obs. used      2002-09-05  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:59:53  

Additional Information
 Jupiter MOID = 2.43503 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.398804153008784E-15 -1.242612782605029E-14 -5.777195199531926E-12 -4.640993598000147E-14 -1.267547740330143E-12 -2.183520079214286E-14
q -1.242612782605029E-14 3.581858473286261E-14 1.723417491166597E-11 1.359700418817278E-13 3.830317138002753E-12 6.539195065609671E-14
tp -5.777195199531926E-12 1.723417491166597E-11 6.673720763726175E-8 1.464380126368273E-10 1.585533658107518E-8 4.457281713456887E-11
node -4.640993598000147E-14 1.359700418817278E-13 1.464380126368273E-10 8.546951104554154E-10 -7.932467649622123E-10 -4.409239170807511E-11
peri -1.267547740330143E-12 3.830317138002753E-12 1.585533658107518E-8 -7.932467649622123E-10 4.589006139895397E-9 5.317772192635894E-11
i -2.183520079214286E-14 6.539195065609671E-14 4.457281713456887E-11 -4.409239170807511E-11 5.317772192635894E-11 2.676149684202497E-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 16.7   n/a MPO456352  

487792 (2015 RH239)          Discovered 2007-Oct-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-12 12:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin