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JPL Small-Body Database Browser
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154914 (2004 ST8)
Classification: Main-belt Asteroid          SPK-ID: 2154914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08225696024703662 4.3064e-08  
a 2.97563493735982 2.502e-08 au
q 2.73086825260772 1.3653e-07 au
i 1.87980339355232 4.73e-06 deg
node 233.2218814618236 0.00021198 deg
peri 185.8198676759831 0.00021657 deg
M 328.703143507452 4.514e-05 deg
tp 2459163.491936028917
(2020-Nov-09.99193603)
0.00023577 TDB
period 1874.855929520645
5.13
2.3647e-05
6.474e-08
d
yr
n .192014753950744 2.4218e-09 deg/d
Q 3.22040162211192 2.7078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      8746 days (23.95 yr)  
   first obs. used      1995-12-26  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54662  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:05:12  

Additional Information
 Earth MOID = 1.74317 au 
 Jupiter MOID = 2.04616 au 
 T_jup = 3.255 
[ 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 15.6   n/a MPO412915  

154914 (2004 ST8)          Discovered 2004-Sep-17 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2004 ST8 = 1999 TL133 = 2002 GG132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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