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193646 (2001 DF26)
Classification: Main-belt Asteroid          SPK-ID: 2193646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2475149216964432 3.4439e-08  
a 2.601586609543133 1.6727e-08 au
q 1.957655103595549 8.8476e-08 au
i 5.030232773069321 9.3782e-06 deg
node 26.1905612439954 4.9218e-05 deg
peri 76.35214431014715 5.572e-05 deg
M 241.2517363940585 2.6247e-05 deg
tp 2459506.069221689759
(2021-Oct-18.56922169)
0.00011528 TDB
period 1532.695420391871
4.20
1.4782e-05
4.047e-08
d
yr
n .2348803259997719 2.2653e-09 deg/d
Q 3.245518115490717 2.0868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      9733 days (26.65 yr)  
   first obs. used      1991-10-13  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53987  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 07:58:56  

Additional Information
 Earth MOID = .981688 au 
 Jupiter MOID = 1.94731 au 
 T_jup = 3.365 
[ 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 15.8   n/a MPO310414  
diameter diameter 3.481 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193646 (2001 DF26)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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