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39747 (1997 BM1)
Classification: Main-belt Asteroid          SPK-ID: 2039747
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01684377733506082 3.9667e-08  
a 2.661943007041259 1.5871e-08 au
q 2.617105831752033 1.0788e-07 au
i 2.403988535881675 5.6687e-06 deg
node 325.5882300537004 0.00011781 deg
peri 303.8657296024766 0.00022225 deg
M 356.2465837362926 0.00018913 deg
tp 2459017.039439465525
(2020-Jun-16.53943947)
0.00083339 TDB
period 1586.341026216996
4.34
1.4187e-05
3.884e-08
d
yr
n .2269373319168986 2.0295e-09 deg/d
Q 2.706780182330484 1.6138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      8103 days (22.18 yr)  
   first obs. used      1997-01-29  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:08:16  

Additional Information
 Earth MOID = 1.60181 au 
 Jupiter MOID = 2.2886 au 
 T_jup = 3.384 
[ 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 15.1   n/a MPO337580  
diameter diameter 4.697 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39747 (1997 BM1)          Discovered 1997-Jan-29 by di Cicco, D. at Sudbury
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 BM1 = 1999 RN75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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