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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2799875724014972 9.0961e-08  
a 3.016386324882161 4.0059e-08 au
q 2.17183564035333 2.953e-07 au
i 3.202792954694632 7.444e-06 deg
node 151.7857726492838 0.00010628 deg
peri 200.3723939821217 0.00010712 deg
M 11.8861813910452 9.8942e-06 deg
tp 2457337.321585257028
(2015-Nov-10.82158526)
5.2223e-05 JED
period 1913.501784905016
5.24
3.8119e-05
1.044e-07
d
yr
n .1881367463777255 3.7478e-09 deg/d
Q 3.860937009410991 5.1275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      7212 days (19.75 yr)  
   first obs. used      1996-02-15  
   last obs. used      2015-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53028  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 19:22:01  

Additional Information
 Earth MOID = 1.16479 au 
 Jupiter MOID = 1.57021 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 15.1 mag n/a MPO348170  

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 ]
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