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26026 (4664 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2026026
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743705929189738 4.5777e-08  
a 2.810166407343132 1.5308e-08 au
q 2.320156024693727 1.2918e-07 au
i 9.446723732697606 5.5113e-06 deg
node 11.42927399322094 2.3102e-05 deg
peri 344.5605790558479 2.6659e-05 deg
M 239.8260369224491 1.5718e-05 deg
tp 2459574.886688487631
(2021-Dec-26.38668849)
7.7484e-05 TDB
period 1720.665629726365
4.71
1.406e-05
3.849e-08
d
yr
n .2092213581654736 1.7096e-09 deg/d
Q 3.300176789992536 1.7977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1350  
   data-arc span      21814 days (59.72 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:25:15  

Additional Information
 Earth MOID = 1.31783 au 
 Jupiter MOID = 2.15073 au 
 T_jup = 3.279 
[ 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 14.0   n/a MPO474108  
diameter diameter 8.153 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26026 (4664 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4664 P-L = 1979 WA5 = 1998 VJ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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