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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09712946254040927 3.947e-08  
a 2.284875854052884 8.6437e-09 au
q 2.062947090377169 8.9702e-08 au
i 7.107254257711073 4.8695e-06 deg
node 199.8784323418214 2.9661e-05 deg
peri 61.81245432095609 3.8526e-05 deg
M 205.1225356743262 2.6524e-05 deg
tp 2459543.222801537077
(2021-Nov-24.72280154)
9.4186e-05 TDB
period 1261.514768491465
3.45
7.1585e-06
1.96e-08
d
yr
n .2853712132363638 1.6193e-09 deg/d
Q 2.506804617728599 9.4832e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1338  
   data-arc span      7781 days (21.30 yr)  
   first obs. used      1998-10-11  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:39:32  

Additional Information
 Earth MOID = 1.05922 au 
 Jupiter MOID = 2.53646 au 
 T_jup = 3.586 
[ 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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