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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2800297834176815 9.1412e-08  
a 3.016121481540061 5.0818e-08 AU
q 2.171517636302981 2.9574e-07 AU
i 3.202600256347119 7.6459e-06 deg
node 151.7878710437082 0.00013194 deg
peri 200.4177704991466 0.00013267 deg
M 296.599928019588 1.4154e-05 deg
tp 2457337.444926756628
(2015-Nov-10.94492676)
8.0138e-05 JED
period 1913.249777852981
5.24
4.8354e-05
1.324e-07
d
yr
n .1881615271394342 4.7554e-09 deg/d
Q 3.86072532677714 6.5048e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      7044 days (19.29 yr)  
   first obs. used      1996-02-15  
   last obs. used      2015-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55797  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 14:35:15  

Additional Information
 Earth MOID = 1.1667 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 ]
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