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72481 (2001 DN39)
Classification: Main-belt Asteroid          SPK-ID: 2072481
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08063793707853806 3.8268e-08  
a 2.551223806199317 1.1381e-08 au
q 2.345498381441748 9.8682e-08 au
i 4.939092351085307 4.8547e-06 deg
node 168.3426414541823 4.6909e-05 deg
peri 243.1967069072225 5.6972e-05 deg
M 32.12125371012111 3.437e-05 deg
tp 2459067.695970653933
(2020-Aug-06.19597065)
0.0001419 TDB
period 1488.405496125441
4.08
9.9593e-06
2.727e-08
d
yr
n .2418695717915165 1.6184e-09 deg/d
Q 2.756949230956887 1.2298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      9282 days (25.41 yr)  
   first obs. used      1995-10-19  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53912  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:15:39  

Additional Information
 Earth MOID = 1.35971 au 
 Jupiter MOID = 2.51118 au 
 T_jup = 3.430 
[ 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 15.60   n/a MPCxxxxx  

72481 (2001 DN39)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 DN39 = 1999 RE23 = 1999 TG89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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