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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08496098459411908 4.0938e-08  
a 2.791744458218751 1.0677e-08 au
q 2.55455510031331 1.1462e-07 au
i 4.281468019242163 4.5442e-06 deg
node 340.0849202133288 4.0533e-05 deg
peri 4.123697384370648 4.497e-05 deg
M 64.71240065794412 1.8316e-05 deg
tp 2458694.235308143857
(2019-Jul-29.73530814)
8.6705e-05 TDB
period 1703.773742701918
4.66
9.7744e-06
2.676e-08
d
yr
n .2112956614938181 1.2122e-09 deg/d
Q 3.028933816124192 1.1584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1759  
   data-arc span      10557 days (28.90 yr)  
   first obs. used      1991-09-11  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:03:07  

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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