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180523 (2004 DR38)
Classification: Main-belt Asteroid          SPK-ID: 2180523
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0413431628618639 3.9319e-08  
a 2.615025458750956 1.8071e-08 au
q 2.506912035321895 1.0474e-07 au
i 2.380322434713092 4.4784e-06 deg
node 75.28151243591027 0.00011786 deg
peri 186.3087388509264 0.00013496 deg
M 252.5197463527755 6.8267e-05 deg
tp 2459661.646047636625
(2022-Mar-23.14604764)		 0.00029403 TDB
period 1544.586763761068
4.23		 1.6011e-05
4.384e-08		 d
yr
n .2330720477776206 2.416e-09 deg/d
Q 2.723138882180017 1.8818e-08 au
   Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      9063 days (24.81 yr)  
   first obs. used      1996-03-26  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58311  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:43:33  

Additional Information
 Earth MOID = 1.48962 au 
 Jupiter MOID = 2.28333 au 
 T_jup = 3.405 
[ 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 16.2   n/a MPO454240  

180523 (2004 DR38)          Discovered 2004-Feb-20 by Klet at Klet
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 DR38 = 1996 FJ24 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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