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26045 (1582 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2026045
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1512094917571784 3.1005e-08  
a 2.165702425666697 6.2549e-09 au
q 1.838227662584347 6.9474e-08 au
i 1.433984508040445 3.324e-06 deg
node 181.366170329316 0.00012636 deg
peri 106.0010293293943 0.00012693 deg
M 351.7329233140042 1.3426e-05 deg
tp 2459227.232899563772
(2021-Jan-12.73289956)
4.347e-05 TDB
period 1164.116919256423
3.19
5.0432e-06
1.381e-08
d
yr
n .3092472878325222 1.3397e-09 deg/d
Q 2.493177188749046 7.2007e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1380  
   data-arc span      17051 days (46.68 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:31:10  

Additional Information
 Earth MOID = .820567 au 
 Jupiter MOID = 2.64927 au 
 T_jup = 3.678 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456991.5 (2014-Nov-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514141734895949 3.0979e-08  
q 1.837750706859772 6.9444e-08 au
tp 2456899.069669378479
(2014-Aug-29.56966938)
3.9499e-05 TDB
node 181.3868023882435 0.00012646 deg
peri 105.9867765916755 0.00012703 deg
i 1.432868288872206 3.3238e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1380  
   data-arc span      17051 days (46.68 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:31:10  

Additional Information
 Jupiter MOID = 2.64927 au 
 T_jup = 3.678 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.597124614854706E-16 -2.14594944259693E-15 -3.882227447900226E-13 -1.451565243155857E-15 -8.816760080288864E-14 -4.925763924300803E-16
q -2.14594944259693E-15 4.822402529317995E-15 8.975273553787021E-13 2.736864002885107E-15 2.064954695234913E-13 1.136239999446404E-15
tp -3.882227447900226E-13 8.975273553787021E-13 1.560145265653035E-9 -3.749284049969817E-12 4.814784734820529E-10 6.461984852136914E-13
node -1.451565243155857E-15 2.736864002885107E-15 -3.749284049969817E-12 1.599159623200077E-8 -1.598746132341715E-8 9.12664245006913E-11
peri -8.816760080288864E-14 2.064954695234913E-13 4.814784734820529E-10 -1.598746132341715E-8 1.613595477911237E-8 -9.105694851513271E-11
i -4.925763924300803E-16 1.136239999446404E-15 6.461984852136914E-13 9.12664245006913E-11 -9.105694851513271E-11 1.104762652001726E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.63   n/a E2021B10  
diameter diameter 2.078 km 0.559 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.9 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.196   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26045 (1582 T-2)          Discovered 1973-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1582 T-2 = 1998 KH63 = 1999 XE67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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