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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044460591395035 6.5647e-08  
a 3.13298881096448 4.0528e-08 au
q 2.805760476331081 1.9947e-07 au
i 6.601190229796601 7.1934e-06 deg
node 88.05460772799557 6.5289e-05 deg
peri 13.98177052106027 7.4577e-05 deg
M 101.9449104923273 3.7094e-05 deg
tp 2458026.912417504600
(2017-Sep-30.41241750)
0.00020543 TDB
period 2025.520731747421
5.55
3.9303e-05
1.076e-07
d
yr
n .1777320737119424 3.4487e-09 deg/d
Q 3.460217145597879 4.4761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6237 days (17.08 yr)  
   first obs. used      2002-04-12  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65431  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:20:12  

Additional Information
 Earth MOID = 1.82334 au 
 Jupiter MOID = 1.6909 au 
 T_jup = 3.194 
[ 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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