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JPL Small-Body Database Browser
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48959 (1998 QQ26)
Classification: Main-belt Asteroid          SPK-ID: 2048959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709431990744174 4.6728e-08  
a 2.354666825197027 1.3433e-08 au
q 1.952152545343445 1.127e-07 au
i 3.836354481571686 4.7082e-06 deg
node 95.26922640375433 8.161e-05 deg
peri 205.6425098454081 8.2854e-05 deg
M 282.1244032635709 1.5396e-05 deg
tp 2458885.990401439833
(2020-Feb-06.49040144)
5.6888e-05 TDB
period 1319.752898538787
3.61
1.1293e-05
3.092e-08
d
yr
n .2727783363071885 2.3342e-09 deg/d
Q 2.757181105050608 1.5729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      7571 days (20.73 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65686  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:38  

Additional Information
 Earth MOID = .936656 au 
 Jupiter MOID = 2.45408 au 
 T_jup = 3.532 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO432047  
diameter diameter 4.188 km 0.974 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.033   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

48959 (1998 QQ26)          Discovered 1998-Aug-24 by Broughton, J. at Reedy Creek
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QQ26 = 2000 AU249 = 2000 AY225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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