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 ]  
26839 (1991 RC10)
Classification: Main-belt Asteroid          SPK-ID: 2026839
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09655080737765606 7.0197e-08  
a 3.050490738151341 2.915e-08 au
q 2.755963394484767 2.1236e-07 au
i 10.2180475928077 8.4436e-06 deg
node 349.9266706573518 2.9451e-05 deg
peri 36.75245593484866 4.7191e-05 deg
M 216.9705041075468 3.7806e-05 deg
tp 2458373.671968432477
(2018-Sep-12.17196843)
0.00020855 JED
period 1946.04551249333
5.33
2.7894e-05
7.637e-08
d
yr
n .1849905347479553 2.6516e-09 deg/d
Q 3.345018081817915 3.1964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      8981 days (24.59 yr)  
   first obs. used      1991-09-12  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5639  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:48:06  

Additional Information
 Earth MOID = 1.76507 au 
 Jupiter MOID = 2.15192 au 
 T_jup = 3.206 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO365570  
rotation period rot_per 3.2878 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

26839 (1991 RC10)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RC10 = 1999 CF99 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-04 11:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin