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26082 (1981 EB11)
Classification: Main-belt Asteroid          SPK-ID: 2026082
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994215094370856 3.8956e-08  
a 2.447274571439988 8.47e-09 au
q 1.959235382396428 9.7257e-08 au
i 2.632261835193094 4.3363e-06 deg
node 276.0465473379755 9.2296e-05 deg
peri 34.86755309936135 9.286e-05 deg
M 336.6720871257423 1.1926e-05 deg
tp 2459091.114115841494
(2020-Aug-29.61411584)
4.6543e-05 TDB
period 1398.37120786469
3.83
7.2597e-06
1.988e-08
d
yr
n .2574423715071475 1.3365e-09 deg/d
Q 2.935313760483547 1.0159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1155  
   data-arc span      15369 days (42.08 yr)  
   first obs. used      1978-07-09  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:21:17  

Additional Information
 Earth MOID = .945533 au 
 Jupiter MOID = 2.33602 au 
 T_jup = 3.469 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456324.5 (2013-Feb-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198765132755536 3.8964e-08  
q 1.96013217496009 9.7207e-08 au
tp 2456291.933541306129
(2012-Dec-30.43354131)
4.1816e-05 TDB
node 276.2026947908445 9.1957e-05 deg
peri 34.11281075960891 9.2536e-05 deg
i 2.637894911340476 4.3426e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1155  
   data-arc span      15369 days (42.08 yr)  
   first obs. used      1978-07-09  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:21:17  

Additional Information
 Jupiter MOID = 2.33602 au 
 T_jup = 3.469 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.518192998090427E-15 -3.778721756101723E-15 -7.149790420810118E-14 2.970521700006177E-15 -1.254653599359103E-14 -2.686086521308699E-17
q -3.778721756101723E-15 9.449177171081225E-15 2.345197752582985E-13 -8.93694065071909E-15 4.526996122649148E-14 1.515394589533433E-16
tp -7.149790420810118E-14 2.345197752582985E-13 1.748545764686596E-9 -4.444514453043918E-12 4.507710890543109E-10 -2.781440443670328E-13
node 2.970521700006177E-15 -8.93694065071909E-15 -4.444514453043918E-12 8.456021600121594E-9 -8.447713940379666E-9 3.599091002882096E-11
peri -1.254653599359103E-14 4.526996122649148E-14 4.507710890543109E-10 -8.447713940379666E-9 8.562998042051746E-9 -3.602211792612501E-11
i -2.686086521308699E-17 1.515394589533433E-16 -2.781440443670328E-13 3.599091002882096E-11 -3.602211792612501E-11 1.885813199088703E-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 15.1   n/a MPO319408  
diameter diameter 2.552 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26082 (1981 EB11)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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