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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02841785544905004 4.6932e-08  
a 2.608527667137726 1.6222e-08 au
q 2.534398904958159 1.2335e-07 au
i 14.04820009327619 5.1068e-06 deg
node 118.4562987131087 1.8091e-05 deg
peri 181.0191404003451 8.2821e-05 deg
M 60.86522082563575 7.9607e-05 deg
tp 2458740.329351656671
(2019-Sep-13.82935166)
0.00034031 TDB
period 1538.833378620543
4.21
1.4355e-05
3.93e-08
d
yr
n .2339434567780918 2.1823e-09 deg/d
Q 2.682656429317294 1.6683e-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 = 1.51865 au 
 Jupiter MOID = 2.48599 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 14.4   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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