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JPL Small-Body Database Browser
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413518 (2005 SD28)
Classification: Main-belt Asteroid          SPK-ID: 2413518
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180610314177681 9.9309e-08  
a 2.70358283784436 3.1873e-08 au
q 2.384395059485079 2.7877e-07 au
i 12.84432069279981 8.2126e-06 deg
node 210.6206989646444 3.4109e-05 deg
peri 171.230322848176 5.2683e-05 deg
M 12.45950532051291 3.7806e-05 deg
tp 2458544.303890852115
(2019-Mar-01.80389085)
0.00017006 TDB
period 1623.708066477689
4.45
2.8713e-05
7.861e-08
d
yr
n .2217147327357609 3.9207e-09 deg/d
Q 3.022770616203642 3.5636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      4737 days (12.97 yr)  
   first obs. used      2005-09-23  
   last obs. used      2018-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54347  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:45:24  

Additional Information
 Earth MOID = 1.3881 au 
 Jupiter MOID = 2.42671 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116818472839267 1.0018e-07  
q 2.387673888081407 2.8105e-07 au
tp 2456914.345648926553
(2014-Sep-13.84564893)
0.00016055 TDB
node 210.6969939740394 3.42e-05 deg
peri 169.9897783813289 5.2905e-05 deg
i 12.82406820125168 8.2082e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      4737 days (12.97 yr)  
   first obs. used      2005-09-23  
   last obs. used      2018-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54347  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:45:24  

Additional Information
 Jupiter MOID = 2.42671 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.0035744902211E-14 -2.802681906656296E-14 -9.276354585548436E-12 1.273563114216385E-13 -2.592375475160564E-12 -1.756186465366049E-14
q -2.802681906656296E-14 7.898941903445718E-14 2.652046464829358E-11 -3.522947353178343E-13 7.390169804052569E-12 5.060514121118351E-14
tp -9.276354585548436E-12 2.652046464829358E-11 2.577764823204823E-8 -1.141116056142896E-10 6.53020800781692E-9 1.858168624895425E-11
node 1.273563114216385E-13 -3.522947353178343E-13 -1.141116056142896E-10 1.169631155368499E-9 -1.169329658975659E-9 -9.517246920808874E-11
peri -2.592375475160564E-12 7.390169804052569E-12 6.53020800781692E-9 -1.169329658975659E-9 2.798936705821351E-9 9.777231928124228E-11
i -1.756186465366049E-14 5.060514121118351E-14 1.858168624895425E-11 -9.517246920808874E-11 9.777231928124228E-11 6.737515756793557E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO455944  

413518 (2005 SD28)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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