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115325 (2003 SQ220)
Classification: Outer Main-belt Asteroid          SPK-ID: 2115325
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08717880947654642 5.4591e-08  
a 3.492588428262271 3.5113e-08 au
q 3.188108727094804 1.9838e-07 au
i 10.2955316800891 5.5972e-06 deg
node 50.54929650782632 2.9327e-05 deg
peri 315.8644300208875 4.0474e-05 deg
M 261.6302546513403 2.9932e-05 deg
tp 2459851.946251376521
(2022-Sep-29.44625138)
0.0002025 TDB
period 2384.072965364679
6.53
3.5952e-05
9.843e-08
d
yr
n .1510020897975883 2.2771e-09 deg/d
Q 3.797068129429738 3.8174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      7397 days (20.25 yr)  
   first obs. used      2000-03-15  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5789  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:02  

Additional Information
 Earth MOID = 2.19692 au 
 Jupiter MOID = 1.69365 au 
 T_jup = 3.096 
[ 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 14.22   n/a E2021B55  

115325 (2003 SQ220)          Discovered 2003-Sep-29 by Yeung, W. K. Y. at Desert Eagle
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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