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 ]  
11060 (1991 RA13)
Classification: Main-belt Asteroid          SPK-ID: 2011060
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586700114070879 3.1444e-08  
a 2.719798742038277 1.2174e-08 au
q 2.28824824461408 8.5143e-08 au
i 1.74318873198982 3.8391e-06 deg
node 212.932359397358 0.00011949 deg
peri 62.14135143411286 0.0001201 deg
M 212.7921567459027 1.3108e-05 deg
tp 2459670.434014658716
(2022-Mar-31.93401466)
6.1098e-05 TDB
period 1638.33828378859
4.49
1.1e-05
3.012e-08
d
yr
n .2197348396007171 1.4753e-09 deg/d
Q 3.151349239462474 1.4106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1887  
   data-arc span      10344 days (28.32 yr)  
   first obs. used      1991-09-10  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 22:19:32  

Additional Information
 Earth MOID = 1.27254 au 
 Jupiter MOID = 1.96256 au 
 T_jup = 3.340 
[ 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 13.9   n/a MPO332923  

11060 (1991 RA13)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RA13 = 1999 JP 
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-18 01:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin