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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08824936302860527 3.8967e-08  
a 3.210006054487301 2.2892e-08 au
q 2.92672506486083 1.2368e-07 au
i 7.446665690504597 5.0773e-06 deg
node 174.2621320352627 3.2461e-05 deg
peri 317.0179184113392 4.3255e-05 deg
M 150.8581364007485 2.8589e-05 deg
tp 2458120.214715665020
(2018-Jan-01.71471567)
0.00016628 TDB
period 2100.666957191846
5.75
2.2471e-05
6.152e-08
d
yr
n .171374143229846 1.8332e-09 deg/d
Q 3.493287044113771 2.4912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      7575 days (20.74 yr)  
   first obs. used      1998-09-12  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52049  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:20:39  

Additional Information
 Earth MOID = 1.94628 au 
 Jupiter MOID = 1.55264 au 
 T_jup = 3.173 
[ 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 14.1   n/a MPO436103  
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. 2019-August); 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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