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193642 (2001 DH18)
Classification: Main-belt Asteroid          SPK-ID: 2193642
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07063073200627371 1.1619e-07  
a 2.796255643327247 2.6921e-08 au
q 2.59875406036237 3.296e-07 au
i 12.00513382696552 1.0859e-05 deg
node 7.471878909695075 2.6309e-05 deg
peri 193.8831617817969 6.1539e-05 deg
M 8.468833610075997 6.0542e-05 deg
tp 2458960.322321733935
(2020-Apr-20.82232173)
0.00028703 TDB
period 1707.905107330802
4.68
2.4665e-05
6.753e-08
d
yr
n .210784544442651 3.044e-09 deg/d
Q 2.993757226292125 2.8823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      6913 days (18.93 yr)  
   first obs. used      2001-02-02  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:09:17  

Additional Information
 Earth MOID = 1.5984 au 
 Jupiter MOID = 1.9695 au 
 T_jup = 3.291 
[ 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 15.2   n/a MPO433281  
diameter diameter 5.286 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193642 (2001 DH18)          Discovered 2001-Feb-16 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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