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72539 (2001 DW103)
Classification: Main-belt Asteroid          SPK-ID: 2072539
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06961824694233297 6.0057e-08  
a 2.59358867241176 1.3743e-08 au
q 2.41302757574896 1.5239e-07 au
i 3.748809548792519 3.652e-06 deg
node 113.443174507354 9.3848e-05 deg
peri 261.9237554657445 9.979e-05 deg
M 27.40951484204484 3.0967e-05 deg
tp 2459084.342053534004
(2020-Aug-22.84205353)
0.00013156 TDB
period 1525.633013526145
4.18
1.2126e-05
3.32e-08
d
yr
n .2359676257712489 1.8756e-09 deg/d
Q 2.774149769074559 1.47e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      7772 days (21.28 yr)  
   first obs. used      1999-10-02  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56188  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:37  

Additional Information
 Earth MOID = 1.41562 au 
 Jupiter MOID = 2.54378 au 
 T_jup = 3.412 
[ 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 15.72   n/a MPCxxxxx  
diameter diameter 3.795 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72539 (2001 DW103)          Discovered 2001-Feb-16 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 DW103 = 1999 TY296 = 2002 JP140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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