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JPL Small-Body Database Browser
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193672 (2001 DA91)
Classification: Main-belt Asteroid          SPK-ID: 2193672
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2325257776931431 8.7261e-08  
a 2.86444796067433 3.4513e-08 au
q 2.198389970956994 2.3764e-07 au
i 7.989205950455441 7.3763e-06 deg
node 258.2255096022091 5.9272e-05 deg
peri 293.7936716647542 6.1931e-05 deg
M 244.3653046200175 2.0433e-05 deg
tp 2459169.281538718098
(2020-Nov-15.78153872)
0.00010839 TDB
period 1770.760525339364
4.85
3.2003e-05
8.762e-08
d
yr
n .2033024764492119 3.6743e-09 deg/d
Q 3.530505950391666 4.2538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6529 days (17.88 yr)  
   first obs. used      2000-12-23  
   last obs. used      2018-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:03:37  

Additional Information
 Earth MOID = 1.21262 au 
 Jupiter MOID = 1.55245 au 
 T_jup = 3.246 
[ 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 16.2   n/a MPO418040  
diameter diameter 3.447 km 1.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193672 (2001 DA91)          Discovered 2001-Feb-21 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2001 DA91 = 2006 DA197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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