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183949 (2004 DH40)
Classification: Main-belt Asteroid          SPK-ID: 2183949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134448112560676 4.9625e-08  
a 2.391859254465424 1.1716e-08 au
q 2.120515232791516 1.1761e-07 au
i 3.410329226979158 5.671e-06 deg
node 182.5187939529948 6.5848e-05 deg
peri 343.9050131556953 6.9395e-05 deg
M 135.2909074609341 2.0051e-05 deg
tp 2458492.728914419340
(2019-Jan-09.22891442)
7.5178e-05 TDB
period 1351.144686954083
3.70
9.9274e-06
2.718e-08
d
yr
n .2664407472241602 1.9577e-09 deg/d
Q 2.663203276139333 1.3045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      10072 days (27.58 yr)  
   first obs. used      1991-10-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54725  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:51:25  

Additional Information
 Earth MOID = 1.12754 au 
 Jupiter MOID = 2.30785 au 
 T_jup = 3.520 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO475550  

183949 (2004 DH40)          Discovered 2004-Feb-18 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2004 DH40 = 2000 AQ121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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