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46597 (1993 DK2)
Classification: Main-belt Asteroid          SPK-ID: 2046597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3342748090300272 8.8301e-08  
a 2.580399241744998 1.847e-08 au
q 1.717836777989462 2.3128e-07 au
i 28.00156511653275 1.2095e-05 deg
node 340.4443630441741 1.7011e-05 deg
peri 247.5968365819679 2.1523e-05 deg
M 174.3949522422496 1.3986e-05 deg
tp 2458267.067425183266
(2018-May-28.56742518)
5.7221e-05 TDB
period 1514.010145014151
4.15
1.6256e-05
4.451e-08
d
yr
n .2377791200313491 2.553e-09 deg/d
Q 3.442961705500534 2.4644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-02-24  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56087  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:31:20  

Additional Information
 Earth MOID = .867617 au 
 Jupiter MOID = 2.09934 au 
 T_jup = 3.189 
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Orbital Elements at Epoch 2456649.5 (2013-Dec-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3337499692764656 8.8369e-08  
q 1.719313145670164 2.3133e-07 au
tp 2456753.105009733212
(2014-Apr-05.60500973)
5.7658e-05 TDB
node 340.4769036357947 1.7001e-05 deg
peri 247.563676975034 2.1542e-05 deg
i 28.00618041616579 1.2098e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-02-24  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56087  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:31:20  

Additional Information
 Jupiter MOID = 2.09934 au 
 T_jup = 3.189 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.808995950418923E-15 -2.041487120018339E-14 -1.983938258156694E-12 -5.234829105462537E-14 -6.285902948574206E-13 -2.193697500961142E-14
q -2.041487120018339E-14 5.351383735161852E-14 5.007297798010817E-12 1.413365491512544E-13 1.587575105736876E-12 6.462321177917021E-14
tp -1.983938258156694E-12 5.007297798010817E-12 3.324397451374737E-9 2.048473211842051E-11 8.223469008392355E-10 -1.177482944447585E-13
node -5.234829105462537E-14 1.413365491512544E-13 2.048473211842051E-11 2.890214817322023E-10 -2.466832906065733E-10 8.28391214492514E-11
peri -6.285902948574206E-13 1.587575105736876E-12 8.223469008392355E-10 -2.466832906065733E-10 4.640766629220962E-10 -7.140192976579016E-11
i -2.193697500961142E-14 6.462321177917021E-14 -1.177482944447585E-13 8.28391214492514E-11 -7.140192976579016E-11 1.463535543847846E-10

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 15.2   n/a MPO493181  
diameter diameter 2.683 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46597 (1993 DK2)          Discovered 1993-Feb-24 by McNaught, R. H. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 DK2 = 2001 AH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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