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 ]  
22323 (1991 RC6)
Classification: Main-belt Asteroid          SPK-ID: 2022323
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948861861475955 9.7449e-08  
a 2.555189050505646 3.0567e-08 AU
q 2.057218001566505 2.3482e-07 AU
i 13.63390361341406 8.4206e-06 deg
node 20.63803044312482 2.6114e-05 deg
peri 339.2484916951649 3.5176e-05 deg
M 200.0893995789296 3.379e-05 deg
tp 2457463.185909913214
(2016-Mar-15.68590991)
0.00014757 JED
period 1491.876879585043
4.08
2.677e-05
7.329e-08
d
yr
n .2413067759989229 4.33e-09 deg/d
Q 3.053160099444787 3.6524e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      8325 days (22.79 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54233  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:48:21  

Additional Information
 Earth MOID = 1.0594 AU 
 T_jup = 3.372 
[ 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 14.5 mag n/a MPO250431  

22323 (1991 RC6)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RC6 = 1998 HP72 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-29 20:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin