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72513 (2001 DW78)
Classification: Main-belt Asteroid          SPK-ID: 2072513
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1755978971009343 4.2938e-08  
a 3.186600912666114 2.2418e-08 au
q 2.627040493502026 1.318e-07 au
i 12.55523362836536 4.5678e-06 deg
node 216.1091368688452 2.0606e-05 deg
peri 1.641444412343513 2.4428e-05 deg
M 132.3459045969984 1.518e-05 deg
tp 2458436.667827009746
(2018-Nov-14.16782701)
8.3952e-05 TDB
period 2077.73397381522
5.69
2.1925e-05
6.003e-08
d
yr
n .1732656848936985 1.8284e-09 deg/d
Q 3.746161331830202 2.6354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1592  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1998-10-13  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:29  

Additional Information
 Earth MOID = 1.61884 au 
 Jupiter MOID = 1.22955 au 
 T_jup = 3.137 
[ 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 13.39   n/a E2021B10  

72513 (2001 DW78)          Discovered 2001-Feb-18 by NEAT at Haleakala
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DW78 = 2000 AQ173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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