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213336 (2001 SK177)
Classification: Main-belt Asteroid          SPK-ID: 2213336
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812937021842262 4.3542e-08  
a 2.761053021704734 1.7862e-08 au
q 2.260491497472938 1.2552e-07 au
i 10.31324306366674 4.5507e-06 deg
node 179.861705970482 2.1873e-05 deg
peri 171.3593401201711 2.6333e-05 deg
M 89.23133353557269 1.2025e-05 deg
tp 2458785.139274327358
(2019-Oct-28.63927433)
5.628e-05 TDB
period 1675.755088682387
4.59
1.6261e-05
4.452e-08
d
yr
n .2148285286026258 2.0846e-09 deg/d
Q 3.26161454593653 2.11e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      7085 days (19.40 yr)  
   first obs. used      2001-08-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:18  

Additional Information
 Earth MOID = 1.25402 au 
 Jupiter MOID = 2.19072 au 
 T_jup = 3.294 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.46   n/a MPCxxxxx  
diameter diameter 2.445 km 0.556 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213336 (2001 SK177)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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