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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
243594 (1998 RH37)
Classification: Main-belt Asteroid          SPK-ID: 2243594
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2166212316634644 4.9288e-08  
a 2.607929078278423 1.2767e-08 au
q 2.042996269250787 1.3151e-07 au
i 3.730431523275367 4.8012e-06 deg
node 248.2111949111674 8.0602e-05 deg
peri 113.1827444185433 8.1644e-05 deg
M 317.7369500139323 1.0055e-05 deg
tp 2458781.092797960622
(2019-Oct-24.59279796)
4.2803e-05 TDB
period 1538.303726003116
4.21
1.1296e-05
3.093e-08
d
yr
n .234024005737389 1.7185e-09 deg/d
Q 3.172861887306058 1.5533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7747 days (21.21 yr)  
   first obs. used      1998-08-30  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:29:08  

Additional Information
 Earth MOID = 1.04291 au 
 Jupiter MOID = 2.30466 au 
 T_jup = 3.375 
[ 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 16.6   n/a MPO446287  

243594 (1998 RH37)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 1998 RH37 = 2002 PO19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 21:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin