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3194 Dorsey (1982 KD1)
Classification: Main-belt Asteroid          SPK-ID: 2003194
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007749052275556 3.4082e-08  
a 3.010555687802627 1.5331e-08 au
q 2.707167223682039 9.9059e-08 au
i 10.94842521573906 3.5995e-06 deg
node 64.31936981794313 1.9671e-05 deg
peri 256.926098119883 2.7586e-05 deg
M 95.92720966256233 1.905e-05 deg
tp 2458888.097432130161
(2020-Feb-08.59743213)
0.00010101 TDB
period 1907.956304336989
5.22
1.4574e-05
3.99e-08
d
yr
n .188683566380258 1.4413e-09 deg/d
Q 3.313944151923215 1.6876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2608  
   data-arc span      24575 days (67.28 yr)  
   first obs. used      1953-12-07  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 09:24:45  

Additional Information
 Earth MOID = 1.72038 au 
 Jupiter MOID = 1.97657 au 
 T_jup = 3.214 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457229.5 (2015-Jul-26.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1035577640983118 3.3946e-08  
q 2.698635001690438 9.9216e-08 au
tp 2456985.180127240275
(2014-Nov-23.68012724)
0.00010028 TDB
node 64.35366160548772 1.9664e-05 deg
peri 257.9112759268976 2.7263e-05 deg
i 10.95340035167991 3.6029e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2608  
   data-arc span      24575 days (67.28 yr)  
   first obs. used      1953-12-07  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 09:24:45  

Additional Information
 Jupiter MOID = 1.97657 au 
 T_jup = 3.214 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.152345853131864E-15 -3.338069847127621E-15 7.359757716842395E-13 -2.014157245949985E-15 1.185897818651945E-13 -2.22659991947301E-17
q -3.338069847127621E-15 9.84388415808715E-15 -2.497923119573621E-12 5.673200056755419E-15 -4.083397074497802E-13 3.826366429041578E-16
tp 7.359757716842395E-13 -2.497923119573621E-12 1.005550811974441E-8 -9.061276682031557E-12 1.913132730201503E-9 -2.40942855118948E-12
node -2.014157245949985E-15 5.673200056755419E-15 -9.061276682031557E-12 3.866634511534205E-10 -3.809687365328073E-10 -1.794439164238099E-11
peri 1.185897818651945E-13 -4.083397074497802E-13 1.913132730201503E-9 -3.809687365328073E-10 7.432530107424689E-10 1.717505610682934E-11
i -2.22659991947301E-17 3.826366429041578E-16 -2.40942855118948E-12 -1.794439164238099E-11 1.717505610682934E-11 1.298073315488739E-11

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 12.14   n/a E2021B10  
diameter diameter 13.907 km 1.969 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 17.810 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.163   0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3194 Dorsey (1982 KD1)          Discovered 1982-May-27 by Shoemaker, C. and Shoemaker, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 KD1 = 1978 SY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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