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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875633062478513 2.6518e-08  
a 2.259045512615691 5.9316e-09 au
q 1.83533146730512 5.9886e-08 au
i 2.598580613392885 3.565e-06 deg
node 31.59580781027318 7.0722e-05 deg
peri 48.07522849848713 7.1445e-05 deg
M 136.4341755060276 9.8741e-06 deg
tp 2458530.490573933091
(2019-Feb-15.99057393)
3.3556e-05 TDB
period 1240.183354035163
3.40
4.8846e-06
1.337e-08
d
yr
n .2902796581075487 1.1433e-09 deg/d
Q 2.682759557926262 7.0442e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1224  
   data-arc span      10422 days (28.53 yr)  
   first obs. used      1991-10-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:38:42  

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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