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193674 (2001 DT99)
Classification: Main-belt Asteroid          SPK-ID: 2193674
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2396458930858977 5.5417e-08  
a 2.79179293550391 2.0114e-08 au
q 2.122751224164175 1.5258e-07 au
i 7.156224958464134 5.3202e-06 deg
node 256.8520969773427 5.5341e-05 deg
peri 241.7445997478309 5.7558e-05 deg
M 53.40995453033251 1.4835e-05 deg
tp 2458747.719865682037
(2019-Sep-21.21986568)		 6.8876e-05 TDB
period 1703.818120698557
4.66		 1.8413e-05
5.041e-08		 d
yr
n .2112901580436307 2.2834e-09 deg/d
Q 3.460834646843644 2.4934e-08 au
   Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:57:02  

Additional Information
 Earth MOID = 1.14742 au 
 Jupiter MOID = 1.6693 au 
 T_jup = 3.275 
[ 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 15.9   n/a MPO418040  
diameter diameter 3.755 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193674 (2001 DT99)          Discovered 2001-Feb-17 by NEAT at Haleakala
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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