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JPL Small-Body Database Browser
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52971 (1998 TQ31)
Classification: Main-belt Asteroid          SPK-ID: 2052971
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09728613223971549 3.9504e-08  
a 2.284372496967642 8.7071e-09 au
q 2.062134732142879 8.9751e-08 au
i 7.108353485140327 5.0319e-06 deg
node 199.8857546008033 2.9967e-05 deg
peri 61.66782537544422 3.9068e-05 deg
M 91.10832102871896 2.6547e-05 deg
tp 2458281.343015057358
(2018-Jun-11.84301506)
9.2392e-05 TDB
period 1261.097924778283
3.45
7.2102e-06
1.974e-08
d
yr
n .285465539928862 1.6321e-09 deg/d
Q 2.506610261792405 9.5541e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1284  
   data-arc span      7726 days (21.15 yr)  
   first obs. used      1998-10-11  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54182  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:07:40  

Additional Information
 Earth MOID = 1.05808 au 
 Jupiter MOID = 2.53667 au 
 T_jup = 3.587 
[ 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 15.0   n/a MPO502510  

52971 (1998 TQ31)          Discovered 1998-Oct-11 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 TQ31 = 2000 AW198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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