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JPL Small-Body Database Browser
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26237 (1998 QQ31)
Classification: Main-belt Asteroid          SPK-ID: 2026237
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06211460864189057 4.0716e-08  
a 2.347198039715738 1.0561e-08 au
q 2.201402752073783 9.4023e-08 au
i 7.192650243109841 4.9665e-06 deg
node 5.113665500442991 3.1443e-05 deg
peri 219.9305165129591 5.0309e-05 deg
M 10.37812819187867 3.8045e-05 deg
tp 2458562.634860806589
(2019-Mar-20.13486081)
0.00013887 TDB
period 1313.478679160587
3.60
8.8649e-06
2.427e-08
d
yr
n .2740813427059717 1.8498e-09 deg/d
Q 2.492993327357695 1.1217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      17287 days (47.33 yr)  
   first obs. used      1972-04-19  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53852  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:41:59  

Additional Information
 Earth MOID = 1.19869 au 
 Jupiter MOID = 2.48713 au 
 T_jup = 3.547 
[ 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 14.4   n/a MPO435946  

26237 (1998 QQ31)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QQ31 = 1972 HH1 = 1999 XX194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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