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103871 (2000 DK45)
Classification: Main-belt Asteroid          SPK-ID: 2103871
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738562939582524 3.3587e-08  
a 3.014111350416647 1.7926e-08 au
q 2.490089121455705 9.8202e-08 au
i 4.579004253711554 5.0957e-06 deg
node 177.9472785520669 4.631e-05 deg
peri 267.3646853685175 4.9204e-05 deg
M 43.3636036006269 1.4598e-05 deg
tp 2458970.270892194056
(2020-Apr-30.77089219)		 7.7428e-05 TDB
period 1911.337433426348
5.23		 1.7051e-05
4.668e-08		 d
yr
n .1883497877999742 1.6803e-09 deg/d
Q 3.538133579377589 2.1043e-08 au
   Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1998-10-14  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:36:53  

Additional Information
 Earth MOID = 1.51113 au 
 Jupiter MOID = 1.72135 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457449.5 (2016-Mar-02.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719980682094608 3.3451e-08  
q 2.498325527265624 9.7786e-08 au
tp 2457062.166784084171
(2015-Feb-08.66678408)		 8.04e-05 TDB
node 177.9621143286902 4.628e-05 deg
peri 268.0049050363943 4.9231e-05 deg
i 4.577467594215159 5.0962e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1998-10-14  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:36:53  

Additional Information
 Jupiter MOID = 1.72135 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.118952868579659E-15 -3.234933011264183E-15 -6.046396602306406E-13 7.250624469432276E-15 -1.283554105534763E-13 -9.214208648964519E-16
q -3.234933011264183E-15 9.562058548297234E-15 1.516837617940486E-12 -2.250037715380397E-14 3.355756457836078E-13 3.232464244805658E-15
tp -6.046396602306406E-13 1.516837617940486E-12 6.464225622511046E-9 -2.855082120022202E-11 1.360328445982651E-9 1.152779176769622E-12
node 7.250624469432276E-15 -2.250037715380397E-14 -2.855082120022202E-11 2.141846191304766E-9 -2.140674972444517E-9 1.420867826849776E-11
peri -1.283554105534763E-13 3.355756457836078E-13 1.360328445982651E-9 -2.140674972444517E-9 2.423709484953824E-9 -1.384330103594273E-11
i -9.214208648964519E-16 3.232464244805658E-15 1.152779176769622E-12 1.420867826849776E-11 -1.384330103594273E-11 2.597101442536323E-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 15.35   n/a E2021B55  
diameter diameter 4.110 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103871 (2000 DK45)          Discovered 2000-Feb-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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