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72462 (2001 DL21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2072462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077074503282582 4.8071e-08  
a 3.206850308403443 2.5496e-08 au
q 2.86144863810092 1.4817e-07 au
i 15.742695538099 5.8508e-06 deg
node 18.27121665238468 1.6586e-05 deg
peri 199.3233062741477 2.9422e-05 deg
M 120.0208804948094 2.5094e-05 deg
tp 2458501.188344457850
(2019-Jan-17.68834446)
0.00014432 TDB
period 2097.569980800645
5.74
2.5015e-05
6.849e-08
d
yr
n .1716271701517141 2.0468e-09 deg/d
Q 3.552251978705967 2.8242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-11-11  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52118  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:12  

Additional Information
 Earth MOID = 1.85936 au 
 Jupiter MOID = 1.42881 au 
 T_jup = 3.125 
[ 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 13.66   n/a E2021B10  

72462 (2001 DL21)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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