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17371 (1981 DT)
Classification: Main-belt Asteroid          SPK-ID: 2017371
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 .05223137149425355 5.6508e-08  
a 3.103593807536734 2.0371e-08 au
q 2.941488846408018 1.7186e-07 au
i 14.82210205226576 6.1739e-06 deg
node 328.7203840302424 1.6726e-05 deg
peri 189.5529784707133 4.5931e-05 deg
M 88.14751011588341 4.1817e-05 deg
tp 2458511.506270042327
(2019-Jan-28.00627004)
0.00023203 TDB
period 1997.08128514729
5.47
1.9662e-05
5.383e-08
d
yr
n .1802630682473443 1.7748e-09 deg/d
Q 3.26569876866545 2.1435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1280  
   data-arc span      14371 days (39.35 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:08:55  

Additional Information
 Earth MOID = 1.95236 au 
 Jupiter MOID = 1.7473 au 
 T_jup = 3.168 
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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 13.3   n/a MPO395170  
diameter diameter 10.100 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17371 (1981 DT)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1981 DT = 1997 CU15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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