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
JPL Small-Body Database Browser
Search: [ help ]  
109680 (2001 RJ26)
Classification: Main-belt Asteroid          SPK-ID: 2109680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113618971053021 3.9673e-08  
a 3.08694715839954 2.5882e-08 au
q 2.743178866576346 1.2231e-07 au
i 2.106617453604099 4.4389e-06 deg
node 67.78972223906386 0.00013995 deg
peri 202.2761155057077 0.00014175 deg
M 225.4958027648317 2.3125e-05 deg
tp 2459740.659906133945
(2022-Jun-10.15990613)
0.00012946 TDB
period 1981.035325926251
5.42
2.4915e-05
6.821e-08
d
yr
n .1817231602529242 2.2855e-09 deg/d
Q 3.430715450222735 2.8764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      10305 days (28.21 yr)  
   first obs. used      1991-11-06  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:30:55  

Additional Information
 Earth MOID = 1.72719 au 
 Jupiter MOID = 1.65378 au 
 T_jup = 3.215 
[ 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 15.2   n/a MPO338041  
diameter diameter 5.199 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109680 (2001 RJ26)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RJ26 = 2000 KX14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 19:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin