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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1865507665268717 2.5402e-08  
a 2.26077896051283 5.7644e-09 au
q 1.839028912481337 5.7488e-08 au
i 2.597769928082258 3.3874e-06 deg
node 31.54737740984401 6.5563e-05 deg
peri 48.08212904676337 6.6224e-05 deg
M 251.3424052329851 9.7289e-06 deg
tp 2459771.251316918583
(2022-Jul-10.75131692)
3.4159e-05 TDB
period 1241.611084618308
3.40
4.7486e-06
1.3e-08
d
yr
n .28994586506182 1.1089e-09 deg/d
Q 2.682529008544323 6.8397e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1322  
   data-arc span      10884 days (29.80 yr)  
   first obs. used      1991-10-16  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:20  

Additional Information
 Earth MOID = .855724 au 
 Jupiter MOID = 2.56139 au 
 T_jup = 3.595 
[ 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 15.87   n/a MPO637240  
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

Alternate Designations
 1999 CK87 = 2001 QX101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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