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71558 (2000 DH21)
Classification: Main-belt Asteroid          SPK-ID: 2071558
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08545919851909242 4.1632e-08  
a 3.189460530550838 2.3941e-08 au
q 2.916891789901684 1.2948e-07 au
i 3.593920192227573 4.3373e-06 deg
node 153.8807952478374 6.6269e-05 deg
peri 190.915599434273 7.0523e-05 deg
M 356.9403224495156 2.49e-05 deg
tp 2459018.182653398812
(2020-Jun-17.68265340)
0.00014395 TDB
period 2080.531401933005
5.70
2.3425e-05
6.413e-08
d
yr
n .1730327163846346 1.9482e-09 deg/d
Q 3.462029271199992 2.5987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      10122 days (27.71 yr)  
   first obs. used      1992-11-17  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53898  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:51:26  

Additional Information
 Earth MOID = 1.90934 au 
 Jupiter MOID = 1.90486 au 
 T_jup = 3.188 
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Orbital Elements at Epoch 2456633.5 (2013-Dec-07.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .091138296654386 4.1759e-08  
q 2.898922496831978 1.3121e-07 au
tp 2456938.139234290736
(2014-Oct-07.63923429)
0.00013167 TDB
node 154.1664245547332 6.6293e-05 deg
peri 191.0360540939975 7.0007e-05 deg
i 3.593318498644467 4.3405e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      10122 days (27.71 yr)  
   first obs. used      1992-11-17  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53898  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:51:26  

Additional Information
 Jupiter MOID = 1.90486 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.743815062810097E-15 -5.409224819864631E-15 7.195550447969588E-13 2.15295627862627E-15 7.141268811885686E-14 1.072715051218701E-16
q -5.409224819864631E-15 1.721634787038256E-14 -2.152895843157782E-12 -5.951735491916502E-15 -2.224043234204688E-13 -4.533330827263787E-17
tp 7.195550447969588E-13 -2.152895843157782E-12 1.733601455831997E-8 -1.722752622234874E-11 2.982076966655719E-9 -2.154071462573341E-12
node 2.15295627862627E-15 -5.951735491916502E-15 -1.722752622234874E-11 4.394773303588115E-9 -4.38884905723793E-9 2.921297898767494E-11
peri 7.141268811885686E-14 -2.224043234204688E-13 2.982076966655719E-9 -4.38884905723793E-9 4.901002091442896E-9 -2.953609398646251E-11
i 1.072715051218701E-16 -4.533330827263787E-17 -2.154071462573341E-12 2.921297898767494E-11 -2.953609398646251E-11 1.883953573536141E-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 13.9   n/a MPO432269  
diameter diameter 8.624 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71558 (2000 DH21)          Discovered 2000-Feb-29 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2000 DH21 = 2001 GD6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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