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91236 (1999 CP4)
Classification: Main-belt Asteroid          SPK-ID: 2091236
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069674229453341 4.8551e-08  
a 2.371330908712709 1.2128e-08 au
q 2.117675752457093 1.1155e-07 au
i 3.333492927056102 4.5068e-06 deg
node 148.5786168630028 7.725e-05 deg
peri 21.06834389615594 8.0819e-05 deg
M 271.1832088183482 2.7898e-05 deg
tp 2459329.563147874618
(2021-Apr-25.06314787)
0.00010502 TDB
period 1333.787582942259
3.65
1.0232e-05
2.801e-08
d
yr
n .2699080457818184 2.0706e-09 deg/d
Q 2.624986064968325 1.3425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      7949 days (21.76 yr)  
   first obs. used      1999-01-14  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:38  

Additional Information
 Earth MOID = 1.12424 au 
 Jupiter MOID = 2.34048 au 
 T_jup = 3.534 
[ 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 16.0   n/a MPO348072  
diameter diameter 3.816 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91236 (1999 CP4)          Discovered 1999-Feb-06 by Korlevic, K. at Visnjan
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 CP4 = 2001 UL114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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