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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0907670381601694 3.8864e-08  
a 3.202489242444313 2.3239e-08 au
q 2.911808779167838 1.2394e-07 au
i 7.488118478506 4.8429e-06 deg
node 173.9562096014737 3.148e-05 deg
peri 319.0663031684942 4.1085e-05 deg
M 216.7797814954462 2.6771e-05 deg
tp 2460229.282858679783
(2023-Oct-11.78285868)
0.00015695 TDB
period 2093.292638812651
5.73
2.2785e-05
6.238e-08
d
yr
n .1719778655526146 1.872e-09 deg/d
Q 3.493169705720788 2.5349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1018  
   data-arc span      8308 days (22.75 yr)  
   first obs. used      1998-09-12  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51448  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:34:37  

Additional Information
 Earth MOID = 1.93135 au 
 Jupiter MOID = 1.54742 au 
 T_jup = 3.174 
[ show covariance matrix ]

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 14.16   n/a E2021B10  
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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