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46045 (2001 DU68)
Classification: Outer Main-belt Asteroid          SPK-ID: 2046045
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0907670329459481 3.7705e-08  
a 3.202489238402525 2.1942e-08 au
q 2.911808792191399 1.2175e-07 au
i 7.488118711755177 4.8271e-06 deg
node 173.956215260422 3.0017e-05 deg
peri 319.0663001700148 3.9625e-05 deg
M 216.779780167661 2.663e-05 deg
tp 2460229.282864823903
(2023-Oct-11.78286482)
0.00015641 TDB
period 2093.292634849806
5.73
2.1514e-05
5.89e-08
d
yr
n .1719778658781886 1.7675e-09 deg/d
Q 3.493169684613651 2.3934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      8365 days (22.90 yr)  
   first obs. used      1998-09-12  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:52:09  

Additional Information
 Earth MOID = 1.93135 au 
 Jupiter MOID = 1.54742 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457082.5 (2015-Mar-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08887011143766761 3.6209e-08  
q 2.918101263914662 1.1601e-07 au
tp 2458106.316860037607
(2017-Dec-18.81686004)
0.00016052 TDB
node 174.5822232861543 3.0277e-05 deg
peri 313.9767289308952 4.056e-05 deg
i 7.447483827167197 4.8124e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      8365 days (22.90 yr)  
   first obs. used      1998-09-12  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:52:09  

Additional Information
 Jupiter MOID = 1.54742 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.311125454939502E-15 -4.146011391147174E-15 1.360605367711879E-12 3.813304106705065E-15 1.97093408404228E-13 -3.437482228745844E-17
q -4.146011391147174E-15 1.345944900688078E-14 -3.726586774834021E-12 -9.321046118030741E-15 -5.636952179001207E-13 3.331805061104607E-16
tp 1.360605367711879E-12 -3.726586774834021E-12 2.576776456175718E-8 2.956154793135886E-11 4.338196610282326E-9 -8.12273839354225E-12
node 3.813304106705065E-15 -9.321046118030741E-15 2.956154793135886E-11 9.167016513819752E-10 -9.038471677067813E-10 2.137332357227132E-11
peri 1.97093408404228E-13 -5.636952179001207E-13 4.338196610282326E-9 -9.038471677067813E-10 1.64513496501318E-9 -2.263217477176931E-11
i -3.437482228745844E-17 3.331805061104607E-16 -8.12273839354225E-12 2.137332357227132E-11 -2.263217477176931E-11 2.315934580632634E-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 14.17   n/a MPO636717  
diameter diameter 9.253 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.32 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.057   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46045 (2001 DU68)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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