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5380 Sprigg (1991 JT)
Classification: Main-belt Asteroid          SPK-ID: 2005380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108274573924678 5.0473e-08  
a 2.579193390649358 1.2412e-08 au
q 2.035428605975296 1.3152e-07 au
i 9.302895181477455 5.6774e-06 deg
node 242.3027348100887 2.4523e-05 deg
peri 358.9979098015689 2.6284e-05 deg
M 245.321460735908 9.3791e-06 deg
tp 2459082.452169238904
(2020-Aug-20.95216924)
4.0571e-05 TDB
period 1512.948996729436
4.14
1.0921e-05
2.99e-08
d
yr
n .237945892940355 1.7177e-09 deg/d
Q 3.12295817532342 1.5029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1807  
   data-arc span      14288 days (39.12 yr)  
   first obs. used      1980-10-14  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:16:54  

Additional Information
 Earth MOID = 1.0227 au 
 Jupiter MOID = 1.90161 au 
 T_jup = 3.376 
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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 13.1   n/a MPO435750  
diameter diameter 6.606 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.219 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Clark, M. (2014) Minor Planet Bull. 41, 178-183.]
geometric albedo albedo 0.280   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5380 Sprigg           Discovered 1991 May 7 by R. H. McNaught at Siding Spring.
Named for Reginald C. Sprigg (1919-1994), Australian exploration geologist, oceanographer, biologist, author and conservationist who in 1946 discovered the diverse pre-Cambrian Ediacaran soft-body fauna fossils representing the earliest known multicellular life on the earth. Sprigg's recognition of hydrocarbons in central Australia led to the discovery of the vast Cooper Basin gas and oil fields. His work on the formation of Australian deserts and dunes has resulted in greater understanding of present-day climate patterns. In 1968 he founded the Arkaroola Wilderness Sanctuary in the northern Flinders Ranges, and this includes an astronomical observatory. Name suggested by D. I. Steel and citation prepared by the Sprigg family.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980411/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1991 JT = 1983 JN = 1983 LA1 
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