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193587 (2001 BQ38)
Classification: Main-belt Asteroid          SPK-ID: 2193587
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2794023725451008 7.125e-08  
a 2.660187324477915 1.8136e-08 au
q 1.916924674604382 1.9334e-07 au
i 6.731293789210779 4.7564e-06 deg
node 127.3536822025212 6.5665e-05 deg
peri 311.2028640699232 6.6259e-05 deg
M 109.4714854056156 9.7742e-06 deg
tp 2458118.590745209871
(2017-Dec-31.09074521)
4.1914e-05 TDB
period 1584.771879925062
4.34
1.6207e-05
4.437e-08
d
yr
n .2271620316843476 2.3231e-09 deg/d
Q 3.403449974351448 2.3204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      6683 days (18.30 yr)  
   first obs. used      2001-01-21  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55388  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:11:23  

Additional Information
 Earth MOID = .940226 au 
 Jupiter MOID = 1.89248 au 
 T_jup = 3.320 
[ 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 16.1   n/a MPO338473  
diameter diameter 3.947 km 1.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193587 (2001 BQ38)          Discovered 2001-Jan-23 by Kobayashi, T. at Oizumi
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2001 BQ38 = 2004 XB145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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