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JPL Small-Body Database Browser
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268344 (2005 SD178)
Classification: Main-belt Asteroid          SPK-ID: 2268344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08755063422788568 5.3346e-08  
a 2.377127072673482 2.0775e-08 au
q 2.169008089820641 1.267e-07 au
i 2.820018069290583 5.3915e-06 deg
node 298.0425308489657 0.00015277 deg
peri 312.0377562596356 0.00015793 deg
M 7.888142246336105 4.0005e-05 deg
tp 2458571.167488003246
(2019-Mar-28.66748800)
0.00014877 TDB
period 1338.680767798818
3.67
1.755e-05
4.805e-08
d
yr
n .2689214700469217 3.5254e-09 deg/d
Q 2.585246055526322 2.2594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6520 days (17.85 yr)  
   first obs. used      2000-03-11  
   last obs. used      2018-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:47:06  

Additional Information
 Earth MOID = 1.15573 au 
 Jupiter MOID = 2.43873 au 
 T_jup = 3.534 
[ 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 17.3   n/a MPO433742  

268344 (2005 SD178)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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