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212339 (2005 SL280)
Classification: Main-belt Asteroid          SPK-ID: 2212339
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026367089250924 6.3159e-08  
a 3.140516609594004 4.0138e-08 au
q 2.818184320460686 1.8877e-07 au
i 6.596746378238517 6.8625e-06 deg
node 88.05515368853611 6.2857e-05 deg
peri 15.06548034993816 7.2607e-05 deg
M 171.7627872300106 3.8097e-05 deg
tp 2458030.600697646784
(2017-Oct-04.10069765)
0.00020875 TDB
period 2032.825354537281
5.57
3.8971e-05
1.067e-07
d
yr
n .177093422805101 3.3951e-09 deg/d
Q 3.462848898727322 4.4257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2002-04-12  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:44:14  

Additional Information
 Earth MOID = 1.8357 au 
 Jupiter MOID = 1.68314 au 
 T_jup = 3.192 
[ 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 15.7   n/a MPO437020  
diameter diameter 5.120 km 1.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212339 (2005 SL280)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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