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452347 (2001 SW339)
Classification: Main-belt Asteroid          SPK-ID: 2452347
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2100836327965101 7.057e-08  
a 2.715528789618282 2.3638e-08 au
q 2.145040636531764 1.9067e-07 au
i 15.74354464346802 9.2239e-06 deg
node 215.6676018596298 2.1119e-05 deg
peri 119.0754914625907 2.9274e-05 deg
M 83.91720930410189 2.0665e-05 deg
tp 2458619.496841363353
(2019-May-15.99684136)
9.3196e-05 TDB
period 1634.481630724207
4.47
2.1342e-05
5.843e-08
d
yr
n .2202533165456812 2.8759e-09 deg/d
Q 3.286016942704801 2.8604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:34:39  

Additional Information
 Earth MOID = 1.18542 au 
 Jupiter MOID = 2.3689 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457693.5 (2016-Nov-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2122825308086935 7.0935e-08  
q 2.137483342000272 1.9197e-07 au
tp 2456985.101916526705
(2014-Nov-23.60191653)
9.2348e-05 TDB
node 215.6978838926547 2.1128e-05 deg
peri 118.9633887518136 2.9129e-05 deg
i 15.74500030390322 9.2274e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:34:39  

Additional Information
 Jupiter MOID = 2.3689 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.031746470623495E-15 -1.355407526325096E-14 3.481671481520338E-12 -1.960449771746685E-14 6.393349845793347E-13 5.203678741349144E-15
q -1.355407526325096E-14 3.685163769298776E-14 -9.682576631711853E-12 5.290256030564187E-14 -1.749335721671682E-12 -1.107095925911371E-14
tp 3.481671481520338E-12 -9.682576631711853E-12 8.528192235355326E-9 -2.26993568642389E-11 1.852947165442522E-9 -1.164116264805869E-11
node -1.960449771746685E-14 5.290256030564187E-14 -2.26993568642389E-11 4.464008288496811E-10 -4.334007435083708E-10 -5.27528460702587E-12
peri 6.393349845793347E-13 -1.749335721671682E-12 1.852947165442522E-9 -4.334007435083708E-10 8.485139188136104E-10 2.621426731387343E-12
i 5.203678741349144E-15 -1.107095925911371E-14 -1.164116264805869E-11 -5.27528460702587E-12 2.621426731387343E-12 8.514580877411079E-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 16.5   n/a MPO503595  
diameter diameter 2.917 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

452347 (2001 SW339)          Discovered 2001-Sep-21 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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