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46019 (2001 DT9)
Classification: Main-belt Asteroid          SPK-ID: 2046019
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02832858789271942 3.7188e-08  
a 2.608824713425886 1.3519e-08 au
q 2.534920393234902 9.1393e-08 au
i 14.04817375501193 3.524e-06 deg
node 118.4566868305562 1.7187e-05 deg
peri 181.2707712492036 7.7287e-05 deg
M 107.4092653415638 7.5376e-05 deg
tp 2458741.296677107920
(2019-Sep-14.79667711)
0.00032165 TDB
period 1539.096238256998
4.21
1.1964e-05
3.276e-08
d
yr
n .2339035019718418 1.8182e-09 deg/d
Q 2.68272903361687 1.3902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1370  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1998-06-24  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:45:55  

Additional Information
 Earth MOID = 1.5172 au 
 Jupiter MOID = 2.4851 au 
 T_jup = 3.368 
[ 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 14.42   n/a E2021B10  
diameter diameter 3.071 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.470   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46019 (2001 DT9)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DT9 = 1998 MD31 = 1999 VD200 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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