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39749 (1997 BW6)
Classification: Main-belt Asteroid          SPK-ID: 2039749
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367339901248836 4.7761e-08  
a 2.615767833675847 1.5913e-08 au
q 2.258103460537026 1.2365e-07 au
i 2.616385012787849 5.0152e-06 deg
node 111.937419112693 0.00011316 deg
peri 341.0521300125048 0.00011473 deg
M 114.7234535210446 2.0852e-05 deg
tp 2458108.067247818399
(2017-Dec-20.56724782)
8.7421e-05 TDB
period 1545.24454542207
4.23
1.4101e-05
3.861e-08
d
yr
n .2329728333722539 2.1259e-09 deg/d
Q 2.973432206814669 1.8089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      8138 days (22.28 yr)  
   first obs. used      1997-01-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:10:58  

Additional Information
 Earth MOID = 1.27505 au 
 Jupiter MOID = 2.19607 au 
 T_jup = 3.392 
[ 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 15.0   n/a MPO337580  
diameter diameter 2.545 km 0.692 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.328   0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39749 (1997 BW6)          Discovered 1997-Jan-28 by Laurie, S. P. at Church Stretton
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 BW6 = 2000 RU37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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