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JPL Small-Body Database Browser
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441525 (2008 SK220)
Classification: Outer Main-belt Asteroid          SPK-ID: 2441525
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418564143381096 6.4578e-08  
a 3.828802511361652 7.4653e-08 au
q 2.902782064754974 2.3562e-07 au
i 8.218950190413405 8.3425e-06 deg
node 205.9111861753231 5.7617e-05 deg
peri 195.8530484904246 6.2392e-05 deg
M 128.9209284848539 2.0915e-05 deg
tp 2457620.527700290042
(2016-Aug-20.02770029)
0.0001494 TDB
period 2736.483765993291
7.49
8.0033e-05
2.191e-07
d
yr
n .1315556863423697 3.8475e-09 deg/d
Q 4.75482295796833 9.2708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6379 days (17.46 yr)  
   first obs. used      2001-10-18  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53258  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:15:03  

Additional Information
 Earth MOID = 1.91167 au 
 Jupiter MOID = .678533 au 
 T_jup = 3.007 
[ 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 15.3   n/a MPO437716  
diameter diameter 7.031 km 0.708 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.027   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

441525 (2008 SK220)          Discovered 2008-Sep-30 by OAM at La Sagra
Reference: Last Updated: 2015-09-02

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