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 ]  
111818 Deforest (2002 DT)
Classification: Main-belt Asteroid          SPK-ID: 2111818
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2800968834134592 1.1624e-07  
a 3.015584188115088 5.8498e-08 AU
q 2.170928455353145 3.6454e-07 AU
i 3.202606253151323 9.4708e-06 deg
node 151.7934675324591 0.00013708 deg
peri 200.44925469 0.00013822 deg
M 258.9290323488142 1.5428e-05 deg
tp 2457337.506491918124
(2015-Nov-11.00649192)
9.1302e-05 JED
period 1912.738559679324
5.24
5.5656e-05
1.524e-07
d
yr
n .1882118171237971 5.4765e-09 deg/d
Q 3.86023992087703 7.4883e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      6260 days (17.14 yr)  
   first obs. used      1996-02-15  
   last obs. used      2013-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56615  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 22:23:41  

Additional Information
 Earth MOID = 1.1645 AU 
 T_jup = 3.185 
[ 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 15.0 mag n/a MPO259978  

111818 Deforest           Discovered 2002 Feb. 17 by J. Dellinger and W. G. Dillon at Needville.
Craig DeForest (b. 1968) is an inventor of data-analysis methods for studying the sun, including stereoscopic spectroscopy among his credits. He is known for his ability to make complex theories and observations comprehensible and exciting to a broad audience.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 2002 DT = 2002 CR14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-24 16:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin