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JPL Small-Body Database Browser
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268044 (2004 QS4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2268044
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04817440583235297 4.476e-08  
a 1.879625975767098 9.3401e-09 au
q 1.789076111197461 8.0818e-08 au
i 21.43667708032834 4.9725e-06 deg
node 135.7845897650535 1.0483e-05 deg
peri 30.67326424840082 5.7967e-05 deg
M 63.79686010849316 5.4457e-05 deg
tp 2458433.697564337210
(2018-Nov-11.19756434)
0.00014228 TDB
period 941.2512894284301
2.58
7.0158e-06
1.921e-08
d
yr
n .3824695955727275 2.8508e-09 deg/d
Q 1.970175840336734 9.7901e-09 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1998-01-22  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52976  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:38:20  

Additional Information
 Earth MOID = .811477 au 
 Jupiter MOID = 3.05211 au 
 T_jup = 3.886 
[ 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 17.3   n/a MPO433740  

268044 (2004 QS4)          Discovered 2004-Aug-21 by Siding Spring Survey at Siding Spring
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2004 QS4 = 2003 AF88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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