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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190182238302904 7.7525e-08  
a 2.687863368458394 1.8434e-08 au
q 2.099172307600135 2.0246e-07 au
i 11.9381946912448 1.2376e-05 deg
node 20.30839610000172 2.6274e-05 deg
peri 296.2297252268897 3.9619e-05 deg
M 8.447816091446471 2.8581e-05 deg
tp 2458562.729636919466
(2019-Mar-20.22963692)
0.00012762 TDB
period 1609.567557082568
4.41
1.6558e-05
4.533e-08
d
yr
n .223662559807381 2.3009e-09 deg/d
Q 3.276554429316653 2.2471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1997-09-30  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:48:27  

Additional Information
 Earth MOID = 1.11777 au 
 Jupiter MOID = 2.1804 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 16.5   n/a MPO446305  
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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