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249597 (1997 SW17)
Classification: Main-belt Asteroid          SPK-ID: 2249597
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190934433815478 7.6517e-08  
a 2.688609218387384 1.8349e-08 au
q 2.09955256682352 1.9972e-07 au
i 11.93647459506382 1.1878e-05 deg
node 20.30429804594994 2.5349e-05 deg
peri 296.3076151069908 3.8692e-05 deg
M 97.82436707770015 2.8848e-05 deg
tp 2458562.943139236821
(2019-Mar-20.44313924)
0.00012707 TDB
period 1610.237557168436
4.41
1.6484e-05
4.513e-08
d
yr
n .223569496561148 2.2887e-09 deg/d
Q 3.277665869951248 2.2369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      8152 days (22.32 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:25:12  

Additional Information
 Earth MOID = 1.11892 au 
 Jupiter MOID = 2.18239 au 
 T_jup = 3.308 
[ 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 16.6   n/a MPO503176  
diameter diameter 3.444 km 0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249597 (1997 SW17)          Discovered 1997-Sep-30 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 1997 SW17 = 2001 OL55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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