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 ]  
118418 (1999 TP18)
Classification: Main-belt Asteroid          SPK-ID: 2118418
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033021268415961 8.5019e-08  
a 3.167468191484774 6.143e-08 AU
q 2.840261990601292 2.8816e-07 AU
i 8.909362368085629 9.4127e-06 deg
node 208.9172528958814 4.6579e-05 deg
peri 128.0726171837986 6.628e-05 deg
M 286.4152656310652 5.4559e-05 deg
tp 2457421.373950078976
(2016-Feb-02.87395008)
0.00032007 JED
period 2059.049656533058
5.64
5.99e-05
1.64e-07
d
yr
n .1748379398514133 5.0862e-09 deg/d
Q 3.494674392368255 6.7776e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      7566 days (20.71 yr)  
   first obs. used      1993-09-16  
   last obs. used      2014-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52684  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 16:30:48  

Additional Information
 Earth MOID = 1.8433 AU 
 T_jup = 3.176 
[ 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 14.8 mag n/a MPO257551  

118418 (1999 TP18)          Discovered 1999-Oct-14 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 TP18 = 2004 RS42 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-19 17:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin