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JPL Small-Body Database Browser
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91260 (1999 CK87)
Classification: Main-belt Asteroid          SPK-ID: 2091260
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875632532031245 2.7507e-08  
a 2.259045516364222 6.2755e-09 au
q 1.835331590181017 6.2592e-08 au
i 2.598579979469265 3.6127e-06 deg
node 31.59575206278834 8.2422e-05 deg
peri 48.0752827908729 8.3368e-05 deg
M 136.4341727103231 1.1087e-05 deg
tp 2458530.490582394303
(2019-Feb-15.99058239)
3.8089e-05 TDB
period 1240.183357121997
3.40
5.1677e-06
1.415e-08
d
yr
n .2902796573850382 1.2096e-09 deg/d
Q 2.682759442547428 7.4526e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      10022 days (27.44 yr)  
   first obs. used      1991-10-16  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:18:24  

Additional Information
 Earth MOID = .852142 au 
 Jupiter MOID = 2.56074 au 
 T_jup = 3.596 
[ 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 15.9   n/a MPO468898  
diameter diameter 2.402 km 0.567 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.147   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

91260 (1999 CK87)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 CK87 = 2001 QX101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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