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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02920293266283875 4.69e-08  
a 2.610508988482049 1.6395e-08 au
q 2.534274470275672 1.2354e-07 au
i 14.04281637008061 5.1044e-06 deg
node 118.4605313877516 1.8099e-05 deg
peri 181.3421384667116 8.0658e-05 deg
M 327.0155219351359 7.7403e-05 deg
tp 2458741.654046211751
(2019-Sep-15.15404621)
0.00033123 TDB
period 1540.58695536432
4.22
1.4513e-05
3.973e-08
d
yr
n .2336771700853892 2.2013e-09 deg/d
Q 2.686743506688425 1.6873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      7313 days (20.02 yr)  
   first obs. used      1998-06-24  
   last obs. used      2018-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52347  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:45:47  

Additional Information
 Earth MOID = 1.51781 au 
 Jupiter MOID = 2.48284 au 
 T_jup = 3.367 
[ 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 14.4   n/a MPO449291  
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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