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JPL Small-Body Database Browser
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15959 (1998 BQ40)
Classification: Main-belt Asteroid          SPK-ID: 2015959
[ 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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08496098146004327 4.0993e-08  
a 2.791744458929513 1.0686e-08 au
q 2.554555109713224 1.1479e-07 au
i 4.281468253594128 4.5519e-06 deg
node 340.084919660138 4.0536e-05 deg
peri 4.123697836133961 4.4976e-05 deg
M 64.71240045463536 1.8319e-05 deg
tp 2458694.235308989097
(2019-Jul-29.73530899)		 8.672e-05 TDB
period 1703.773743352574
4.66		 9.7826e-06
2.678e-08		 d
yr
n .2112956614131261 1.2132e-09 deg/d
Q 3.028933808145802 1.1594e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      10372 days (28.40 yr)  
   first obs. used      1991-09-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:31:35  

Additional Information
 Earth MOID = 1.54674 au 
 Jupiter MOID = 2.31551 au 
 T_jup = 3.319 
[ 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 13.8   n/a MPO328867  
diameter diameter 5.767 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.211   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15959 (1998 BQ40)          Discovered 1998-Jan-24 by JPL/GEODSS NEAT at Haleakala
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BQ40 = 1991 RB15 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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