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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04134317270169182 3.6714e-08  
a 2.615025462999966 1.6642e-08 au
q 2.506912013663837 1.0034e-07 au
i 2.380322495278072 4.1296e-06 deg
node 75.28151426221737 0.00011756 deg
peri 186.308739661256 0.00013463 deg
M 252.5197417700222 6.7769e-05 deg
tp 2459661.646068422951
(2022-Mar-23.14606842)		 0.00029167 TDB
period 1544.586767525639
4.23		 1.4745e-05
4.037e-08		 d
yr
n .2330720472095617 2.2249e-09 deg/d
Q 2.723138912336095 1.733e-08 au
   Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      9120 days (24.97 yr)  
   first obs. used      1996-03-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57615  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:51  

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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