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447200 (2005 SB239)
Classification: Main-belt Asteroid          SPK-ID: 2447200
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2328854381499348 4.8269e-08  
a 2.809420501128483 2.5576e-08 au
q 2.155147376775767 1.4335e-07 au
i 10.23765845848503 7.16e-06 deg
node 171.2542700098649 3.8959e-05 deg
peri 209.0569616626925 4.9186e-05 deg
M 21.10852478248854 2.5676e-05 deg
tp 2458899.649297043952
(2020-Feb-20.14929704)
0.00012242 TDB
period 1719.980597331778
4.71
2.3487e-05
6.43e-08
d
yr
n .2093046866682516 2.8582e-09 deg/d
Q 3.463693625481199 3.1532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5200 days (14.24 yr)  
   first obs. used      2005-08-06  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53233  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:20:38  

Additional Information
 Earth MOID = 1.163 au 
 Jupiter MOID = 2.01451 au 
 T_jup = 3.259 
[ 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 17.0   n/a MPO456118  
diameter diameter 1.998 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

447200 (2005 SB239)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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