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JPL Small-Body Database Browser
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48031 (2001 DL39)
Classification: Main-belt Asteroid          SPK-ID: 2048031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07984213374967748 4.544e-08  
a 2.176155387424867 9.8097e-09 au
q 2.00240649792201 9.9987e-08 au
i 3.691327687873801 4.2951e-06 deg
node 278.6310457718662 8.481e-05 deg
peri 290.9314205370703 9.1491e-05 deg
M 182.6071842723776 3.534e-05 deg
tp 2459178.285724577910
(2020-Nov-24.78572458)
0.0001157 TDB
period 1172.5551567287
3.21
7.9285e-06
2.171e-08
d
yr
n .3070218044192995 2.076e-09 deg/d
Q 2.349904276927724 1.0593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      7920 days (21.68 yr)  
   first obs. used      1998-04-01  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:08:32  

Additional Information
 Earth MOID = 1.00025 au 
 Jupiter MOID = 2.6265 au 
 T_jup = 3.678 
[ 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 16.4   n/a MPO417149  

48031 (2001 DL39)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DL39 = 1999 TA257 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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