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JPL Small-Body Database Browser
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154932 Sviderskiene (2004 TB21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2154932
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .247357051952883 5.5396e-08  
a 3.963999725301479 6.2941e-08 au
q 2.983476439308867 2.4935e-07 au
i 1.620937235187365 9.7271e-06 deg
node 318.9605122884998 0.00019858 deg
peri 101.6485701286832 0.00020022 deg
M 283.2697891602684 2.4467e-05 deg
tp 2459214.916317765517
(2020-Dec-31.41631777)
0.00020677 TDB
period 2882.696032956189
7.89
6.8658e-05
1.88e-07
d
yr
n .1248830941189529 2.9744e-09 deg/d
Q 4.944523011294091 7.851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      8358 days (22.88 yr)  
   first obs. used      1996-10-18  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:37:50  

Additional Information
 Earth MOID = 1.99652 au 
 Jupiter MOID = .45625 au 
 T_jup = 3.003 
[ 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 14.9   n/a MPO493880  

154932 Sviderskiene           Discovered 2004 Oct. 12 by K. Cernis and J. Zdanavicius at the Moletai Astronomical Observatory.
Lithuanian astronomer Zinaida Sviderskiene (b. 1945) worked in the field of stellar photometry and served as director of the Vilnius Planetarium during 1992-1997. Author of four books on popular astronomy and many popular science articles, she is also known as a space artist who paints astronomical subjects.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091202/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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