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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967957853831267 4.249e-08  
a 2.225547423469849 8.0271e-09 au
q 1.787569070360706 9.2532e-08 au
i 5.686868275909462 5.2657e-06 deg
node 253.6322463294428 4.313e-05 deg
peri 109.54766276 4.5599e-05 deg
M 345.6311054517947 1.2953e-05 deg
tp 2459048.903254467992
(2020-Jul-18.40325447)
4.3726e-05 TDB
period 1212.700917945949
3.32
6.561e-06
1.796e-08
d
yr
n .2968580254806448 1.6061e-09 deg/d
Q 2.663525776578991 9.6068e-09 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      7379 days (20.20 yr)  
   first obs. used      2000-09-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:07  

Additional Information
 Earth MOID = .795364 au 
 Jupiter MOID = 2.82848 au 
 T_jup = 3.614 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457481.5 (2016-Apr-03.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1975823509421333 4.2559e-08  
q 1.785520142408417 9.2787e-08 au
tp 2457836.806126054553
(2017-Mar-24.30612605)
4.1626e-05 TDB
node 253.6454348286908 4.3129e-05 deg
peri 109.73244404548 4.5576e-05 deg
i 5.687453985084717 5.2678e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      7379 days (20.20 yr)  
   first obs. used      2000-09-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:07  

Additional Information
 Jupiter MOID = 2.82848 au 
 T_jup = 3.614 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.811270137206016E-15 -3.940621451570944E-15 6.863364144852391E-13 -3.453246249067737E-14 2.196164274478294E-13 -2.886596095596365E-15
q -3.940621451570944E-15 8.609383670796277E-15 -1.473738870379668E-12 7.354531006556559E-14 -4.728228200576445E-13 6.456068021029656E-15
tp 6.863364144852391E-13 -1.473738870379668E-12 1.732750139164947E-9 -5.921314664544772E-11 6.284014637930877E-10 -1.206645106229473E-12
node -3.453246249067737E-14 7.354531006556559E-14 -5.921314664544772E-11 1.860094787768287E-9 -1.86903828025474E-9 -7.023043086461538E-11
peri 2.196164274478294E-13 -4.728228200576445E-13 6.284014637930877E-10 -1.86903828025474E-9 2.077142672806533E-9 6.968724737713625E-11
i -2.886596095596365E-15 6.456068021029656E-15 -1.206645106229473E-12 -7.023043086461538E-11 6.968724737713625E-11 2.774942320625767E-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 16.8   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. 2020-October); 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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