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 ]  
11599 (1995 QR)
Classification: Main-belt Asteroid          SPK-ID: 2011599
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774890749988868 3.5194e-08  
a 2.438475039878865 8.1732e-09 au
q 2.005672360642892 8.5298e-08 au
i 2.721712539557855 3.6876e-06 deg
node 38.04283724136711 7.9557e-05 deg
peri 278.1213213110021 8.0243e-05 deg
M 85.07645943414012 9.5044e-06 deg
tp 2458271.812789390978
(2018-Jun-02.31278939)		 3.6681e-05 TDB
period 1390.835921079298
3.81		 6.9926e-06
1.914e-08		 d
yr
n .2588371457365278 1.3013e-09 deg/d
Q 2.871277719114838 9.6238e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1525  
   data-arc span      9085 days (24.87 yr)  
   first obs. used      1994-03-10  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50773  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:13:03  

Additional Information
 Earth MOID = .993531 au 
 Jupiter MOID = 2.41694 au 
 T_jup = 3.480 
[ 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 14.3   n/a MPO319230  

11599 (1995 QR)          Discovered 1995-Aug-16 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 QR = 1998 HD21 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 19:58 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin