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 ]  
26211 (1997 RR9)
Classification: Main-belt Asteroid          SPK-ID: 2026211
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2491578500214716 6.8384e-08  
a 2.688338352554585 2.883e-08 AU
q 2.018517748501819 1.9628e-07 AU
i 7.583787718444634 6.5907e-06 deg
node 168.4112045202202 4.5376e-05 deg
peri 176.1682831362253 4.7095e-05 deg
M 327.6868283411534 1.5862e-05 deg
tp 2457145.011166142389
(2015-May-02.51116614)
7.2355e-05 JED
period 1609.994226518992
4.41
2.5899e-05
7.091e-08
d
yr
n .223603286316352 3.597e-09 deg/d
Q 3.35815895660735 3.6014e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      6162 days (16.87 yr)  
   first obs. used      1997-09-13  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51863  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:53:55  

Additional Information
 Earth MOID = 1.01164 AU 
 T_jup = 3.316 
[ 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 13.8 mag n/a MPO302220  

26211 (1997 RR9)          Discovered 1997-Sep-13 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 RR9 = 2000 EW62 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-18 23:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin