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JPL Small-Body Database Browser
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3133 Sendai (A907 TC)
Classification: Main-belt Asteroid          SPK-ID: 2003133
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598444521827197 4.2181e-08  
a 2.180669769086999 7.9204e-09 au
q 1.83210180445587 9.2357e-08 au
i 6.561067608379425 4.6808e-06 deg
node 37.12345452659692 4.0785e-05 deg
peri 358.5630735622552 4.3553e-05 deg
M 350.3156621331033 1.7131e-05 deg
tp 2459032.141037336211
(2020-Jul-01.64103734)
5.6036e-05 TDB
period 1176.205704261147
3.22
6.4082e-06
1.754e-08
d
yr
n .3060689118372708 1.6675e-09 deg/d
Q 2.529237733718128 9.1865e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2122  
   data-arc span      40877 days (111.92 yr)  
   first obs. used      1907-10-04  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:55:22  

Additional Information
 Earth MOID = .838977 au 
 Jupiter MOID = 2.89121 au 
 T_jup = 3.656 
[ 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 12.9   n/a MPO439095  
diameter diameter 7.249 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.776 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Megna, R. (2011) http://www.macastronomy.com/MacAstronomy.com/Asteroids.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.298   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3133 Sendai (A907 TC)          Discovered 1907-Oct-04 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A907 TC = 1968 TO = 1973 DN = 1981 UX = 1984 QG1 = A907 XA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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