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JPL Small-Body Database Browser
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154698 (2004 JQ8)
Classification: Main-belt Asteroid          SPK-ID: 2154698
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08016331899675193 5.4977e-08  
a 2.246955564934324 1.1691e-08 au
q 2.066832149210966 1.2262e-07 au
i 4.392724644655013 6.4631e-06 deg
node 332.1227236376311 5.7837e-05 deg
peri 224.6131368339045 6.6002e-05 deg
M 303.0297324846558 3.2269e-05 deg
tp 2459195.186532872167
(2020-Dec-11.68653287)
0.00011073 TDB
period 1230.240876350158
3.37
9.6018e-06
2.629e-08
d
yr
n .2926256206573442 2.2839e-09 deg/d
Q 2.427078980657681 1.2629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      6752 days (18.49 yr)  
   first obs. used      2001-07-10  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:05:14  

Additional Information
 Earth MOID = 1.06816 au 
 Jupiter MOID = 2.54063 au 
 T_jup = 3.622 
[ 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 16.8   n/a MPO454005  

154698 (2004 JQ8)          Discovered 2004-May-12 by Siding Spring Survey at Siding Spring
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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