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JPL Small-Body Database Browser
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382728 (2003 AD21)
Classification: Main-belt Asteroid          SPK-ID: 2382728
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807687082956007 6.0845e-08  
a 2.382847654592906 3.1147e-08 au
q 1.952103362006945 1.3799e-07 au
i 11.61904911766337 1.2878e-05 deg
node 295.8520278976108 3.6603e-05 deg
peri 125.9073848940222 6.0352e-05 deg
M 293.4248897089668 4.9407e-05 deg
tp 2459248.957571593588
(2021-Feb-03.45757159)		 0.00018759 TDB
period 1343.515998436712
3.68		 2.6342e-05
7.212e-08		 d
yr
n .2679536383778748 5.2538e-09 deg/d
Q 2.813591947178867 3.6778e-08 au
   Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      7073 days (19.36 yr)  
   first obs. used      1998-11-07  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49051  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:38:05  

Additional Information
 Earth MOID = .990219 au 
 Jupiter MOID = 2.52254 au 
 T_jup = 3.488 
[ 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 17.0   n/a MPO437566  

382728 (2003 AD21)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2003 AD21 = 2009 UA4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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