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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101208208803111 6.852e-08  
a 2.715904698397901 2.3338e-08 au
q 2.14523657373784 1.843e-07 au
i 15.74234001312725 7.9167e-06 deg
node 215.6581153062764 2.1097e-05 deg
peri 119.1271189789862 2.7575e-05 deg
M 127.9071288714552 1.9187e-05 deg
tp 2458619.652043017510
(2019-May-16.15204302)
8.5441e-05 TDB
period 1634.821032718546
4.48
2.1072e-05
5.769e-08
d
yr
n .2202075901857927 2.8384e-09 deg/d
Q 3.286572823057962 2.8242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      7045 days (19.29 yr)  
   first obs. used      2001-09-21  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55894  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:18:55  

Additional Information
 Earth MOID = 1.18391 au 
 Jupiter MOID = 2.36902 au 
 T_jup = 3.276 
[ 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 16.58   n/a MPCxxxxx  
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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