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393842 (2005 SG128)
Classification: Main-belt Asteroid          SPK-ID: 2393842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965788931102478 6.1326e-08  
a 2.233908603387528 8.4628e-09 au
q 1.794769322824148 1.3734e-07 au
i 5.918514972500502 5.5529e-06 deg
node 224.4952510323178 4.3823e-05 deg
peri 141.2959492879663 4.5362e-05 deg
M 263.0396270509454 1.3111e-05 deg
tp 2459724.964398655981
(2022-May-25.46439866)
4.5734e-05 TDB
period 1219.54134374342
3.34
6.93e-06
1.897e-08
d
yr
n .2951929443367364 1.6774e-09 deg/d
Q 2.673047883950908 1.0126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      9339 days (25.57 yr)  
   first obs. used      1995-11-17  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:16:59  

Additional Information
 Earth MOID = .797448 au 
 Jupiter MOID = 2.80945 au 
 T_jup = 3.607 
[ 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 18.03   n/a E2021B25  

393842 (2005 SG128)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-05-15

Alternate Designations
 2005 SG128 = 1995 WR14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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