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46033 (2001 DG31)
Classification: Main-belt Asteroid          SPK-ID: 2046033
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541055043848697 3.2905e-08  
a 2.754370131728073 1.3635e-08 au
q 2.329906533315498 9.1315e-08 au
i 13.49657172679179 3.9496e-06 deg
node 141.9374549931755 1.7434e-05 deg
peri 127.8260434220657 2.285e-05 deg
M 345.3411371376615 1.3324e-05 deg
tp 2459068.487591826415
(2020-Aug-06.98759183)
6.1743e-05 TDB
period 1669.674741305593
4.57
1.2398e-05
3.394e-08
d
yr
n .2156108558715454 1.601e-09 deg/d
Q 3.178833730140648 1.5737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      9824 days (26.90 yr)  
   first obs. used      1993-07-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:38:45  

Additional Information
 Earth MOID = 1.34018 au 
 Jupiter MOID = 2.08788 au 
 T_jup = 3.287 
[ 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 14.7   n/a MPO432018  
diameter diameter 3.008 km 0.427 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.582 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.235   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46033 (2001 DG31)          Discovered 2001-Feb-17 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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