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447199 (2005 SX216)
Classification: Main-belt Asteroid          SPK-ID: 2447199
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2084812212796664 2.8608e-07  
a 2.885474903814835 5.5024e-08 au
q 2.28390757189569 7.9369e-07 au
i 9.220349544324515 2.1404e-05 deg
node 36.99882984260992 5.272e-05 deg
peri 357.0366248070695 6.3207e-05 deg
M 350.1178395472647 3.9326e-05 deg
tp 2459049.644370820904
(2020-Jul-19.14437082)
0.00019662 TDB
period 1790.294094104518
4.90
5.121e-05
1.402e-07
d
yr
n .2010842806137208 5.7519e-09 deg/d
Q 3.48704223573398 6.6496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      4650 days (12.73 yr)  
   first obs. used      2005-09-23  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:14:30  

Additional Information
 Earth MOID = 1.29058 au 
 Jupiter MOID = 1.95319 au 
 T_jup = 3.241 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456486.5 (2013-Jul-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110289886936659 2.9097e-07  
q 2.276337828954381 8.1245e-07 au
tp 2457248.253240770344
(2015-Aug-13.75324077)
0.00015501 TDB
node 37.1342525071936 5.2522e-05 deg
peri 355.3917494413922 6.2603e-05 deg
i 9.246333299511548 2.1427e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      4650 days (12.73 yr)  
   first obs. used      2005-09-23  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:14:30  

Additional Information
 Jupiter MOID = 1.95319 au 
 T_jup = 3.241 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.466312025106192E-14 -2.362351343298624E-13 1.942488770643677E-11 -6.340334629786497E-13 9.645885767048415E-13 -1.04762080546722E-13
q -2.362351343298624E-13 6.600750778740955E-13 -5.172979684459246E-11 1.768931672561985E-12 -2.241886652696348E-12 2.886992546524925E-13
tp 1.942488770643677E-11 -5.172979684459246E-11 2.402798760949206E-8 -1.647180856106074E-10 4.929119449901459E-9 -4.443000637256534E-11
node -6.340334629786497E-13 1.768931672561985E-12 -1.647180856106074E-10 2.758543793633881E-9 -2.726996164978929E-9 8.1182522934166E-11
peri 9.645885767048415E-13 -2.241886652696348E-12 4.929119449901459E-9 -2.726996164978929E-9 3.919113348634815E-9 -8.610011796484819E-11
i -1.04762080546722E-13 2.886992546524925E-13 -4.443000637256534E-11 8.1182522934166E-11 -8.610011796484819E-11 4.591317725846747E-10

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 16.5   n/a MPO456118  
diameter diameter 2.750 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.064   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

447199 (2005 SX216)          Discovered 2005-Sep-30 by NEAT at Palomar
Reference: Last Updated: 2015-10-28

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