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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545475650196954 3.2502e-08  
a 2.755594644042019 1.2964e-08 au
q 2.329724201624011 9.0748e-08 au
i 13.49962702641603 3.4006e-06 deg
node 141.9269302670043 1.6116e-05 deg
peri 127.7441623142991 2.1119e-05 deg
M 28.50894540000655 1.1561e-05 deg
tp 2459068.187743452885
(2020-Aug-06.68774345)
5.389e-05 TDB
period 1670.788297800403
4.57
1.1791e-05
3.228e-08
d
yr
n .2154671543210716 1.5206e-09 deg/d
Q 3.181465086460028 1.4968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1113  
   data-arc span      9888 days (27.07 yr)  
   first obs. used      1993-07-24  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52874  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:00  

Additional Information
 Earth MOID = 1.33828 au 
 Jupiter MOID = 2.08475 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 14.79   n/a E2021B10  
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. 2020-October); 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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