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15951 (1998 BB2)
Classification: Main-belt Asteroid          SPK-ID: 2015951
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269860479053584 4.1735e-08  
a 3.129398386728859 1.9822e-08 au
q 2.732008453276757 1.3168e-07 au
i 17.69791399787477 4.633e-06 deg
node 102.0397643751835 1.2594e-05 deg
peri 160.1227872562907 1.9417e-05 deg
M 242.2324292473687 1.5876e-05 deg
tp 2459661.974222294428
(2022-Mar-23.47422229)
9.1522e-05 TDB
period 2022.039840884409
5.54
1.9212e-05
5.26e-08
d
yr
n .1780380350184107 1.6916e-09 deg/d
Q 3.526788320180961 2.2339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2099  
   data-arc span      11762 days (32.20 yr)  
   first obs. used      1988-03-19  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:54:19  

Additional Information
 Earth MOID = 1.72189 au 
 Jupiter MOID = 1.63305 au 
 T_jup = 3.128 
[ 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 12.2   n/a MPO502291  
diameter diameter 16.329 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.096   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

15951 (1998 BB2)          Discovered 1998-Jan-17 by Lai, L. at Madonna di Dossob
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BB2 = 1988 FU2 = 1991 XV5 = 1997 WG27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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