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72985 (2002 DK2)
Classification: Main-belt Asteroid          SPK-ID: 2072985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09327143967968363 3.9927e-08  
a 2.184304504924277 8.1787e-09 au
q 1.980571279051171 8.7868e-08 au
i 6.831693649606577 5.6881e-06 deg
node 169.208065834433 2.6194e-05 deg
peri 50.87696963141044 3.7564e-05 deg
M 249.5324897830587 2.7316e-05 deg
tp 2459562.326410703391
(2021-Dec-13.82641070)
9.0289e-05 TDB
period 1179.147675161817
3.23
6.6226e-06
1.813e-08
d
yr
n .3053052705638388 1.7147e-09 deg/d
Q 2.388037730797382 8.9416e-09 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1999-04-11  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:39  

Additional Information
 Earth MOID = .980658 au 
 Jupiter MOID = 2.58393 au 
 T_jup = 3.663 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.60   n/a MPCxxxxx  

72985 (2002 DK2)          Discovered 2002-Feb-19 by Yeung, W. K. Y. at Desert Eagle
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 DK2 = 1999 JP103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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