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26922 Samara (1996 TD40)
Classification: Main-belt Asteroid          SPK-ID: 2026922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140377748838457 4.3825e-08  
a 3.101384647898195 1.6987e-08 au
q 2.666019252744096 1.3335e-07 au
i 2.378135587153679 3.8582e-06 deg
node 117.5475352498309 0.00010028 deg
peri 227.7501887125687 0.00010112 deg
M 166.4278757998736 1.4501e-05 deg
tp 2458278.235599067635
(2018-Jun-08.73559907)
7.8489e-05 TDB
period 1994.9493601354
5.46
1.6391e-05
4.488e-08
d
yr
n .1804557083973131 1.4826e-09 deg/d
Q 3.536750043052295 1.9372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1633  
   data-arc span      8895 days (24.35 yr)  
   first obs. used      1996-09-10  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55163  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:22:14  

Additional Information
 Earth MOID = 1.65757 au 
 Jupiter MOID = 1.86955 au 
 T_jup = 3.205 
[ 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 13.62   n/a E2021B10  
diameter diameter 10.686 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.16 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.089   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26922 Samara           Discovered 1996 Oct. 8 by E. W. Elst at the European Southern Observatory.
The 580-km Samara river, with its source in the foothills of the Urals, flows northwest and joins the Volga at the city of Samara.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 1996 TD40 = 1999 AT25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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