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48958 (1998 QD26)
Classification: Main-belt Asteroid          SPK-ID: 2048958
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897577278646174 2.761e-08  
a 2.42394390797075 7.0142e-09 au
q 1.963981819522939 6.869e-08 au
i 2.078682635211793 4.2466e-06 deg
node 180.0649751547562 8.6805e-05 deg
peri 99.43000190248668 8.7743e-05 deg
M 322.2841277027193 1.1907e-05 deg
tp 2459144.912215647856
(2020-Oct-22.41221565)
4.5725e-05 TDB
period 1378.422252134324
3.77
5.9831e-06
1.638e-08
d
yr
n .2611681576110532 1.1336e-09 deg/d
Q 2.883905996418561 8.3451e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1284  
   data-arc span      14971 days (40.99 yr)  
   first obs. used      1979-08-22  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:00  

Additional Information
 Earth MOID = .948864 au 
 Jupiter MOID = 2.25275 au 
 T_jup = 3.486 
[ 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 15.3   n/a MPO468358  

48958 (1998 QD26)          Discovered 1998-Aug-25 by Visnjan at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QD26 = 1979 QB1 = 1998 QD51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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