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JPL Small-Body Database Browser
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12605 (1999 SK)
Classification: Main-belt Asteroid          SPK-ID: 2012605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061717487543075 5.3507e-08  
a 2.557363544877745 8.8771e-09 au
q 2.28584378511756 1.411e-07 au
i 1.979773466907257 4.7276e-06 deg
node 159.5756581265354 8.8647e-05 deg
peri 169.5937630785818 9.0677e-05 deg
M 320.6577459006761 1.6225e-05 deg
tp 2458763.746496766438
(2019-Oct-07.24649677)
6.7166e-05 TDB
period 1493.781690483455
4.09
7.7778e-06
2.129e-08
d
yr
n .2409990712119973 1.2548e-09 deg/d
Q 2.82888330463793 9.8196e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1474  
   data-arc span      10224 days (27.99 yr)  
   first obs. used      1991-11-04  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54116  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:37:41  

Additional Information
 Earth MOID = 1.27376 au 
 Jupiter MOID = 2.46141 au 
 T_jup = 3.428 
[ 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 14.9   n/a MPO439178  
diameter diameter 3.001 km 0.443 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12605 (1999 SK)          Discovered 1999-Sep-17 by Visnjan at Visnjan
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 SK = 1991 VH10 = 1998 KM27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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