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117252 (2004 SJ41)
Classification: Main-belt Asteroid          SPK-ID: 2117252
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974110395167776 5.2999e-08  
a 2.758500957646058 1.5846e-08 au
q 2.213942416089123 1.4233e-07 au
i 2.261866910370718 4.7672e-06 deg
node 159.3398404496951 9.8302e-05 deg
peri 214.0792758102984 9.8806e-05 deg
M 154.2826556167728 1.0609e-05 deg
tp 2458283.328966149023
(2018-Jun-13.82896615)
4.6972e-05 TDB
period 1673.432254288237
4.58
1.442e-05
3.948e-08
d
yr
n .2151267247762708 1.8537e-09 deg/d
Q 3.303059499202992 1.8975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      7585 days (20.77 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57751  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:10:50  

Additional Information
 Earth MOID = 1.21492 au 
 Jupiter MOID = 2.15996 au 
 T_jup = 3.313 
[ 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 15.8   n/a MPO233991  

117252 (2004 SJ41)          Discovered 2004-Sep-17 by Spacewatch at Kitt Peak
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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