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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08502958102971886 3.7373e-08  
a 2.792366304635959 9.9562e-09 au
q 2.554932567671259 1.0307e-07 au
i 4.281512564259023 3.8691e-06 deg
node 340.0802524623168 3.9237e-05 deg
peri 4.271110029539379 4.3357e-05 deg
M 106.8131431789736 1.7747e-05 deg
tp 2458694.816009562600
(2019-Jul-30.31600956)
8.3755e-05 TDB
period 1704.343034381375
4.67
9.1153e-06
2.496e-08
d
yr
n .2112250836467726 1.1297e-09 deg/d
Q 3.029800041600659 1.0803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2071  
   data-arc span      10774 days (29.50 yr)  
   first obs. used      1991-09-11  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:13:59  

Additional Information
 Earth MOID = 1.54532 au 
 Jupiter MOID = 2.31486 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 13.78   n/a E2021B10  
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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