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 ]  
13968 (1991 RE7)
Classification: Main-belt Asteroid          SPK-ID: 2013968
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555682873452244 6.7626e-08  
a 3.18177108585183 5.0297e-08 AU
q 2.686788407301306 2.282e-07 AU
i 17.56696987355975 1.3537e-05 deg
node 7.873826970470677 2.3927e-05 deg
peri 278.767354667754 4.9453e-05 deg
M 61.51080208423627 4.4501e-05 deg
tp 2456446.298241830109
(2013-Jun-02.79824183)
0.00025433 JED
period 2073.01203399263
5.68
4.9155e-05
1.346e-07
d
yr
n .1736603522299089 4.1178e-09 deg/d
Q 3.676753764402354 5.8122e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1991-09-02  
   last obs. used      2013-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52995  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 20:03:20  

Additional Information
 Earth MOID = 1.7417 AU 
 T_jup = 3.108 
[ 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 11.9 mag n/a MPO267762  

13968 (1991 RE7)          Discovered 1991-Sep-02 by McNaught, R. H. at Siding Spring (413)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RE7 = 1995 FJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 07:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin