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117256 (2004 SQ50)
Classification: Main-belt Asteroid          SPK-ID: 2117256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04115586478033031 4.5964e-08  
a 3.088303554873761 2.7242e-08 au
q 2.961201751368764 1.4425e-07 au
i 9.003247205791107 6.2868e-06 deg
node 198.1543089606841 3.2019e-05 deg
peri 290.6995230971071 8.4003e-05 deg
M 212.5333377365073 7.6723e-05 deg
tp 2459812.525651712577
(2022-Aug-21.02565171)
0.0004231 TDB
period 1982.341161924417
5.43
2.6229e-05
7.181e-08
d
yr
n .1816034529851155 2.4028e-09 deg/d
Q 3.215405358378759 2.8363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-10-20  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56848  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:49:48  

Additional Information
 Earth MOID = 1.98968 au 
 Jupiter MOID = 1.81596 au 
 T_jup = 3.205 
[ 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 14.7   n/a MPO436563  

117256 (2004 SQ50)          Discovered 2004-Sep-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 SQ50 = 2002 JZ25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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