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308433 (2005 SJ157)
Classification: Outer Main-belt Asteroid          SPK-ID: 2308433
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06109189035765916 4.6507e-08  
a 3.221692503135261 3.233e-08 au
q 3.02487321796763 1.4654e-07 au
i 4.892850245243364 6.5449e-06 deg
node 40.60490626013409 5.7988e-05 deg
peri 103.0745526534453 8.2104e-05 deg
M 77.40847424468615 5.6898e-05 deg
tp 2458546.338241020561
(2019-Mar-03.83824102)
0.0003323 TDB
period 2112.14902280317
5.78
3.1793e-05
8.704e-08
d
yr
n .1704425190236911 2.5656e-09 deg/d
Q 3.418511788302893 3.4305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6626 days (18.14 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:12:34  

Additional Information
 Earth MOID = 2.04198 au 
 Jupiter MOID = 1.58676 au 
 T_jup = 3.180 
[ 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 MPO433984  

308433 (2005 SJ157)          Discovered 2005-Sep-26 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 SJ157 = 2002 EU159 = 2008 EA87 = 2008 GV30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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