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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537807751284438 3.4112e-08  
a 2.753874000311575 1.7961e-08 au
q 2.330381121937593 9.2547e-08 au
i 13.49599563587747 5.0234e-06 deg
node 141.9404776190525 1.8262e-05 deg
peri 127.8072438024803 2.5812e-05 deg
M 259.068040911553 1.8967e-05 deg
tp 2459068.494477029679
(2020-Aug-06.99447703)
8.9583e-05 TDB
period 1669.223635925331
4.57
1.633e-05
4.471e-08
d
yr
n .2156691244073085 2.1099e-09 deg/d
Q 3.177366878685557 2.0723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      9419 days (25.79 yr)  
   first obs. used      1993-07-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:32:50  

Additional Information
 Earth MOID = 1.34011 au 
 Jupiter MOID = 2.08805 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-January); 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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