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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13593239938107 4.6613e-08  
a 2.618205297224161 1.6101e-08 au
q 2.262306369100253 1.1968e-07 au
i 2.61820711325329 4.7044e-06 deg
node 111.9135768785871 0.00011156 deg
peri 341.7092010401262 0.00011315 deg
M 207.055438479079 2.1275e-05 deg
tp 2459657.908796123333
(2022-Mar-19.40879612)
9.4655e-05 TDB
period 1547.404917513374
4.24
1.4274e-05
3.908e-08
d
yr
n .2326475739643555 2.146e-09 deg/d
Q 2.974104225348068 1.829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1997-01-28  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:34:42  

Additional Information
 Earth MOID = 1.27922 au 
 Jupiter MOID = 2.19139 au 
 T_jup = 3.391 
[ 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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