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 ]  
26112 (1991 PG18)
Classification: Outer Main-belt Asteroid          SPK-ID: 2026112
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234640943513362 9.5607e-08  
a 3.253221728058285 5.8798e-08 AU
q 2.489882712328519 3.0561e-07 AU
i 2.069772503461029 7.024e-06 deg
node 281.7422376840456 0.0002921 deg
peri 46.45744858098995 0.00029255 deg
M 326.03978608497 3.5096e-05 deg
tp 2457002.679370355757
(2014-Dec-11.17937036)
0.00021296 JED
period 2143.230708445562
5.87
5.8104e-05
1.591e-07
d
yr
n .167970717562693 4.5538e-09 deg/d
Q 4.016560743788051 7.2594e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      7954 days (21.78 yr)  
   first obs. used      1991-08-08  
   last obs. used      2013-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53666  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 20:59:42  

Additional Information
 Earth MOID = 1.47799 AU 
 T_jup = 3.136 
[ 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 13.6 mag n/a PDS3 (MPO 13892)  

26112 (1991 PG18)          Discovered 1991-Aug-08 by Holt, H. E. at Palomar (675)
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PG18 = 2000 CY25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-19 12:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin