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JPL Small-Body Database Browser
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183961 (2004 DM61)
Classification: Main-belt Asteroid          SPK-ID: 2183961
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374894067855335 7.1996e-08  
a 2.608282614852663 2.5684e-08 au
q 2.249671385407551 1.9501e-07 au
i 2.525477179842073 7.5442e-06 deg
node 352.0856352319866 0.00019138 deg
peri 122.23050712 0.00019424 deg
M 344.2325993638502 3.526e-05 deg
tp 2459067.888842824605
(2020-Aug-06.38884282)
0.00015124 TDB
period 1538.616540334306
4.21
2.2726e-05
6.222e-08
d
yr
n .2339764265902018 3.4559e-09 deg/d
Q 2.966893844297776 2.9215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5321 days (14.57 yr)  
   first obs. used      2002-10-06  
   last obs. used      2017-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6317  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 17:27:01  

Additional Information
 Earth MOID = 1.26731 au 
 Jupiter MOID = 2.12419 au 
 T_jup = 3.396 
[ 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 16.9   n/a MPO407391  

183961 (2004 DM61)          Discovered 2004-Feb-26 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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