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 ]  
23488 (1991 PF12)
Classification: Main-belt Asteroid          SPK-ID: 2023488
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351309519953032 8.3375e-08  
a 2.404063832102641 3.0866e-08 AU
q 1.83879401460287 1.8766e-07 AU
i 6.945398203679708 6.4033e-06 deg
node 281.3306375774691 5.7446e-05 deg
peri 37.65081163346893 6.1191e-05 deg
M 102.3891080637693 3.2578e-05 deg
tp 2456613.270283685526
(2013-Nov-16.77028369)
0.0001165 JED
period 1361.499289420403
3.73
2.6221e-05
7.179e-08
d
yr
n .2644143869904286 5.0923e-09 deg/d
Q 2.969333649602413 3.8124e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      11601 days (31.76 yr)  
   first obs. used      1983-04-17  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53894  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:04:58  

Additional Information
 Earth MOID = .831911 AU 
 T_jup = 3.476 
[ 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 14.8 mag n/a MPO267794  

23488 (1991 PF12)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar (675)
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PF12 = 1998 KW24 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-05 10:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin