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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744232220792863 4.5775e-08  
a 2.810781516541372 1.5175e-08 au
q 2.320515947865323 1.2936e-07 au
i 9.446038132705148 5.5109e-06 deg
node 11.42350627193362 2.3103e-05 deg
peri 344.4876858159196 2.6666e-05 deg
M 281.7577387000102 1.5898e-05 deg
tp 2459574.591597174631
(2021-Dec-26.09159717)
7.7539e-05 TDB
period 1721.230607925755
4.71
1.3939e-05
3.816e-08
d
yr
n .2091526831688369 1.6938e-09 deg/d
Q 3.301047085217421 1.7822e-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 = 1.31653 au 
 Jupiter MOID = 2.15066 au 
 T_jup = 3.279 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457211.5 (2015-Jul-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735386032941124 4.5845e-08  
q 2.323042855986607 1.2928e-07 au
tp 2457855.278119540443
(2017-Apr-11.77811954)
7.1316e-05 TDB
node 11.44759129227373 2.3101e-05 deg
peri 344.8552470750417 2.6672e-05 deg
i 9.445729997885545 5.5108e-06 deg
  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
 Jupiter MOID = 2.15066 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.101770138482492E-15 -5.898277366082925E-15 1.371235790539588E-12 8.25609964968285E-16 2.648644335386885E-13 -1.17828437003632E-15
q -5.898277366082925E-15 1.671301642075944E-14 -3.521098473485489E-12 -7.285013714085371E-16 -6.956858537054664E-13 4.360039745879507E-15
tp 1.371235790539588E-12 -3.521098473485489E-12 5.086038686718609E-9 -3.265419748326206E-12 9.634302339831253E-10 -2.353565391696808E-12
node 8.25609964968285E-16 -7.285013714085371E-16 -3.265419748326206E-12 5.336478963727707E-10 -5.266132319305359E-10 3.573042429724203E-11
peri 2.648644335386885E-13 -6.956858537054664E-13 9.634302339831253E-10 -5.266132319305359E-10 7.11408323713553E-10 -3.568289445286462E-11
i -1.17828437003632E-15 4.360039745879507E-15 -2.353565391696808E-12 3.573042429724203E-11 -3.568289445286462E-11 3.036898235506952E-11

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 13.99   n/a E2021B10  
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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