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JPL Small-Body Database Browser
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117253 (2004 ST45)
Classification: Main-belt Asteroid          SPK-ID: 2117253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696119034016088 5.1307e-08  
a 2.69962615859829 2.1669e-08 au
q 2.241737427365661 1.4417e-07 au
i 11.47184352720198 5.1197e-06 deg
node 230.2788055615389 2.6228e-05 deg
peri 122.9197757528064 2.9401e-05 deg
M 121.0633195565635 1.3906e-05 deg
tp 2458055.666321021698
(2017-Oct-29.16632102)
6.0787e-05 TDB
period 1620.144938620718
4.44
1.9506e-05
5.34e-08
d
yr
n .2222023421598809 2.6753e-09 deg/d
Q 3.15751488983092 2.5344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      7092 days (19.42 yr)  
   first obs. used      1999-07-14  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52386  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:25:50  

Additional Information
 Earth MOID = 1.261 au 
 Jupiter MOID = 2.4113 au 
 T_jup = 3.319 
[ 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 15.1   n/a MPO432677  

117253 (2004 ST45)          Discovered 2004-Sep-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 ST45 = 1999 NE63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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