Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
11599 (1995 QR)
Classification: Main-belt Asteroid          SPK-ID: 2011599
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790652519525549 4.6102e-08  
a 2.437909594145475 1.8158e-08 AU
q 2.001364698432265 1.1301e-07 AU
i 2.72256716567454 6.657e-06 deg
node 38.05452141451871 0.00011099 deg
peri 278.0357271187464 0.00011321 deg
M 339.1776234901914 2.5649e-05 deg
tp 2456880.917879265157
(2014-Aug-11.41787927)
9.9549e-05 JED
period 1390.352178187678
3.81
1.5533e-05
4.253e-08
d
yr
n .2589272025086907 2.8927e-09 deg/d
Q 2.874454489858685 2.1409e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      7412 days (20.29 yr)  
   first obs. used      1994-03-10  
   last obs. used      2014-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5304  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:26:36  

Additional Information
 Earth MOID = .989047 AU 
 T_jup = 3.480 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO259426  

11599 (1995 QR)          Discovered 1995-Aug-16 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 QR = 1998 HD21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-02 08:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin