Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-17 05:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin