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58424 Jamesdunlop (1996 DL1)
Classification: Main-belt Asteroid          SPK-ID: 2058424
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532376075160887 1.8247e-07  
a 2.533083689207201 8.8628e-09 au
q 2.144920005035062 4.6562e-07 au
i 4.613626843865094 6.3172e-06 deg
node 317.0792584773098 3.7024e-05 deg
peri 168.6754607785948 4.8299e-05 deg
M 22.02311427376831 1.945e-05 deg
tp 2458910.415729487788
(2020-Mar-01.91572949)		 7.9684e-05 TDB
period 1472.559102280274
4.03		 7.7283e-06
2.116e-08		 d
yr
n .244472360696787 1.283e-09 deg/d
Q 2.92124737337934 1.0221e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      10852 days (29.71 yr)  
   first obs. used      1990-09-22  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:51:09  

Additional Information
 Earth MOID = 1.16044 au 
 Jupiter MOID = 2.13975 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456503.5 (2013-Jul-30.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152664087538121 1.8361e-07  
q 2.146964160676617 4.685e-07 au
tp 2455965.995930341876
(2012-Feb-08.49593034)		 8.4376e-05 TDB
node 317.1473624955373 3.6994e-05 deg
peri 168.8920566126377 4.8104e-05 deg
i 4.61531299046601 6.3185e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      10852 days (29.71 yr)  
   first obs. used      1990-09-22  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:51:09  

Additional Information
 Jupiter MOID = 2.13975 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.371101625197877E-14 -8.600978159856362E-14 1.356144067177255E-11 -2.239734413486197E-13 5.266814791807768E-12 -2.80993400505394E-14
q -8.600978159856362E-14 2.194889546841315E-13 -3.462667288718036E-11 5.712986123139108E-13 -1.344127251907197E-11 7.189041942978325E-14
tp 1.356144067177255E-11 -3.462667288718036E-11 7.119337255503428E-9 -9.16834282696338E-11 2.576567912370904E-9 -1.116592984268637E-11
node -2.239734413486197E-13 5.712986123139108E-13 -9.16834282696338E-11 1.36858318842941E-9 -1.397635123680657E-9 2.173978708458943E-11
peri 5.266814791807768E-12 -1.344127251907197E-11 2.576567912370904E-9 -1.397635123680657E-9 2.313960598604551E-9 -2.575133138884635E-11
i -2.80993400505394E-14 7.189041942978325E-14 -1.116592984268637E-11 2.173978708458943E-11 -2.575133138884635E-11 3.992287774378425E-11

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Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.34   n/a E2021B10  

58424 Jamesdunlop           Discovered 1996 Feb. 22 by M. Tichy and Z. Moravec at Klet.
James Dunlop (1793-1848) was an early figure of Australian astronomy. He made several noteworthy discoveries and wrote A Catalogue of Nebulae and Clusters of Stars in the Southern Hemisphere observed in New South Wales. He is also credited with the discovery of comet C/1833 S1 (Dunlop).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13

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