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JPL Small-Body Database Browser
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154931 (2004 TQ1)
Classification: Main-belt Asteroid          SPK-ID: 2154931
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05807115791003994 4.6301e-08  
a 2.960020299029312 2.1831e-08 au
q 2.788128492827457 1.4196e-07 au
i 10.37704874489192 5.2193e-06 deg
node 186.3352688804306 2.0916e-05 deg
peri 141.2765412771351 4.6886e-05 deg
M 66.98690198496388 3.9552e-05 deg
tp 2458654.379077066707
(2019-Jun-19.87907707)
0.00020506 TDB
period 1860.11785235201
5.09
2.0578e-05
5.634e-08
d
yr
n .1935361243615834 2.141e-09 deg/d
Q 3.131912105231167 2.3098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      7348 days (20.12 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57583  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:05:13  

Additional Information
 Earth MOID = 1.78658 au 
 Jupiter MOID = 2.09977 au 
 T_jup = 3.239 
[ 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 15.5   n/a MPO439923  

154931 (2004 TQ1)          Discovered 2004-Oct-02 by Needville at Needville
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 TQ1 = 2002 HT7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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