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26036 (2166 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2026036
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504711780088287 3.5423e-08  
a 2.208415273190008 5.6533e-09 au
q 1.876112425500418 7.8544e-08 au
i 5.437465053573106 3.915e-06 deg
node 23.87448119116263 2.6989e-05 deg
peri 1.080665520498999 2.8405e-05 deg
M 202.8220033278969 9.2448e-06 deg
tp 2459723.869955843414
(2022-May-24.36995584)
3.1644e-05 TDB
period 1198.724936650563
3.28
4.6029e-06
1.26e-08
d
yr
n .3003191049031649 1.1532e-09 deg/d
Q 2.540718120879597 6.5039e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2756  
   data-arc span      17979 days (49.22 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:31:13  

Additional Information
 Earth MOID = .878621 au 
 Jupiter MOID = 2.9113 au 
 T_jup = 3.638 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456939.5 (2014-Oct-09.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502226561415558 3.5468e-08  
q 1.877045816207111 7.8673e-08 au
tp 2457324.360827270288
(2015-Oct-28.86082727)
2.8709e-05 TDB
node 23.90415215681778 2.6981e-05 deg
peri .727774815913708 2.8403e-05 deg
i 5.43907172957755 3.9153e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2756  
   data-arc span      17979 days (49.22 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:31:13  

Additional Information
 Jupiter MOID = 2.9113 au 
 T_jup = 3.638 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.258004406895143E-15 -2.78519941891633E-15 -2.741324717762514E-13 3.575398110207266E-15 -9.452152144285943E-14 -8.484510937446041E-16
q -2.78519941891633E-15 6.189474390114813E-15 6.317451126621769E-13 -7.9252682633162E-15 2.142714823554699E-13 1.900653072098053E-15
tp -2.741324717762514E-13 6.317451126621769E-13 8.24208110619942E-10 -2.974217143863892E-12 2.583643711306136E-10 2.817254318566001E-13
node 3.575398110207266E-15 -7.9252682633162E-15 -2.974217143863892E-12 7.279682582358602E-10 -7.252516025417088E-10 -2.389302430249661E-11
peri -9.452152144285943E-14 2.142714823554699E-13 2.583643711306136E-10 -7.252516025417088E-10 8.067195831099057E-10 2.38894347952738E-11
i -8.484510937446041E-16 1.900653072098053E-15 2.817254318566001E-13 -2.389302430249661E-11 2.38894347952738E-11 1.532937788999437E-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 14.7   n/a MPO452534  
diameter diameter 3.248 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.2307 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.242   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26036 (2166 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2166 T-1 = 1992 SW12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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