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JPL Small-Body Database Browser
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109911 (2001 SK25)
Classification: Main-belt Asteroid          SPK-ID: 2109911
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138780481751634 4.3202e-08  
a 3.102239449417127 2.4339e-08 au
q 2.671709164118095 1.3937e-07 au
i 1.321884191714505 5.9249e-06 deg
node 156.361626548133 0.00018801 deg
peri 139.8265318882972 0.00018922 deg
M 133.916150419177 1.9511e-05 deg
tp 2457858.093343870054
(2017-Apr-14.59334387)
0.00010955 TDB
period 1995.774186834058
5.46
2.3488e-05
6.431e-08
d
yr
n .1803811284737961 2.1228e-09 deg/d
Q 3.53276973471616 2.7717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      8146 days (22.30 yr)  
   first obs. used      1996-10-06  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:12:32  

Additional Information
 Earth MOID = 1.65524 au 
 Jupiter MOID = 1.66289 au 
 T_jup = 3.206 
[ 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 15.2   n/a MPO426696  
diameter diameter 5.728 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109911 (2001 SK25)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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