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39843 (1998 BB26)
Classification: Main-belt Asteroid          SPK-ID: 2039843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138556613154399 5.5332e-08  
a 2.294155941973229 8.7601e-09 au
q 1.976285464605378 1.2687e-07 au
i 8.387220120106738 4.5645e-06 deg
node 65.07152626626404 3.1597e-05 deg
peri 281.9208232994207 3.5202e-05 deg
M 187.2593826165171 1.6212e-05 deg
tp 2459209.510522193185
(2020-Dec-26.01052219)
5.749e-05 TDB
period 1269.208083833734
3.47
7.2696e-06
1.99e-08
d
yr
n .2836414332570228 1.6246e-09 deg/d
Q 2.612026419341079 9.9738e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1556  
   data-arc span      7772 days (21.28 yr)  
   first obs. used      1998-01-28  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:11:47  

Additional Information
 Earth MOID = .989614 au 
 Jupiter MOID = 2.80646 au 
 T_jup = 3.569 
[ 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 14.4   n/a MPO385070  
diameter diameter 4.029 km 0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39843 (1998 BB26)          Discovered 1998-Jan-29 by Kobayashi, T. at Oizumi
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BB26 = 1999 LS22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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