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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744232223750184 4.5775e-08  
a 2.810781513122056 1.5175e-08 au
q 2.320515944211177 1.2936e-07 au
i 9.446038171791033 5.5109e-06 deg
node 11.42350635134353 2.3103e-05 deg
peri 344.4876862824994 2.6666e-05 deg
M 281.7577382124264 1.5898e-05 deg
tp 2459574.591598823241
(2021-Dec-26.09159882)
7.7539e-05 TDB
period 1721.23060478494
4.71
1.3939e-05
3.816e-08
d
yr
n .2091526835504882 1.6938e-09 deg/d
Q 3.301047082032936 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:11:25  

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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735386036005491 4.5845e-08  
q 2.323042855721078 1.2928e-07 au
tp 2457855.278119480761
(2017-Apr-11.77811948)
7.1316e-05 TDB
node 11.44759125782634 2.3101e-05 deg
peri 344.8552470213373 2.6672e-05 deg
i 9.445730004274667 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:11:25  

Additional Information
 Jupiter MOID = 2.15066 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.101769908597957E-15 -5.898276688699624E-15 1.371235660250729E-12 8.256079300976637E-16 2.648644676239309E-13 -1.178284282358345E-15
q -5.898276688699624E-15 1.671301244004468E-14 -3.521100475260336E-12 -7.284949378376401E-16 -6.956863322891962E-13 4.360039893214522E-15
tp 1.371235660250729E-12 -3.521100475260336E-12 5.086036496858419E-9 -3.265415833049002E-12 9.634299933641742E-10 -2.353562902687934E-12
node 8.256079300976637E-16 -7.284949378376401E-16 -3.265415833049002E-12 5.336479015479639E-10 -5.266132359107492E-10 3.573042484058396E-11
peri 2.648644676239309E-13 -6.956863322891962E-13 9.634299933641742E-10 -5.266132359107492E-10 7.114083061937352E-10 -3.568289455093562E-11
i -1.178284282358345E-15 4.360039893214522E-15 -2.353562902687934E-12 3.573042484058396E-11 -3.568289455093562E-11 3.036898191317157E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2057-Jun-19 18:55 < 00:01 Psych 0.00389496189030057 0.00389123344530365 0.00389869045461404 3.32917790672656 3.32917697365918 2472534.288302148 0.839395259542419 188.905145860398 38.7646512861085 10.8240986013232 4133.24115700644 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 05:11:28 2021-Apr-13 05:11

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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