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173490 (2000 SP176)
Classification: Main-belt Asteroid          SPK-ID: 2173490
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967957857144777 4.2896e-08  
a 2.225547423312986 8.3654e-09 au
q 1.787569069497276 9.3739e-08 au
i 5.68686829157029 5.2769e-06 deg
node 253.6322480789768 4.5528e-05 deg
peri 109.547660912332 4.7882e-05 deg
M 345.6311056491009 1.3276e-05 deg
tp 2459048.903253798226
(2020-Jul-18.40325380)
4.483e-05 TDB
period 1212.700917817738
3.32
6.8375e-06
1.872e-08
d
yr
n .2968580255120298 1.6737e-09 deg/d
Q 2.663525777128697 1.0012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      7359 days (20.15 yr)  
   first obs. used      2000-09-03  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:20:48  

Additional Information
 Earth MOID = .795364 au 
 Jupiter MOID = 2.82848 au 
 T_jup = 3.614 
[ 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 16.8   n/a MPO433114  
diameter diameter 1.300 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.332 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.262   0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173490 (2000 SP176)          Discovered 2000-Sep-28 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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