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 ]  
15712 (1989 RN2)
Classification: Main-belt Asteroid          SPK-ID: 2015712
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2057649017474368 3.619e-08  
a 3.184778213035379 1.8187e-08 au
q 2.529462636942777 1.1819e-07 au
i 11.22266147195037 4.7761e-06 deg
node 349.0171653749591 2.103e-05 deg
peri 320.2572725933205 2.4037e-05 deg
M 177.6534170024121 1.2948e-05 deg
tp 2457976.055862109163
(2017-Aug-10.55586211)
7.2658e-05 TDB
period 2075.951568303884
5.68
1.7782e-05
4.868e-08
d
yr
n .1734144502678023 1.4854e-09 deg/d
Q 3.840093789127981 2.1929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1769  
   data-arc span      11112 days (30.42 yr)  
   first obs. used      1989-09-01  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:25:45  

Additional Information
 Earth MOID = 1.52754 au 
 Jupiter MOID = 1.55906 au 
 T_jup = 3.136 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO384890  
diameter diameter 16.99 km 1.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
geometric albedo albedo 0.0386   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4

15712 (1989 RN2)          Discovered 1989-Sep-01 by Gilmore, A. C., Kilmartin, P. M. at Lake Tekapo
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 RN2 = 1999 FY31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-26 02:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin