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JPL Small-Body Database Browser
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204831 Levski (2007 PQ28)
Classification: Main-belt Asteroid          SPK-ID: 2204831
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08081082171564528 8.6338e-08  
a 2.787226816107962 3.1007e-08 au
q 2.561988726790396 2.3364e-07 au
i 7.497624600606341 5.679e-06 deg
node 124.6739805846063 6.137e-05 deg
peri 240.607277014784 6.9865e-05 deg
M 233.0023950972397 3.6213e-05 deg
tp 2459600.083846873585
(2022-Jan-20.58384687)
0.00017393 TDB
period 1699.639808481135
4.65
2.8362e-05
7.765e-08
d
yr
n .2118095835385911 3.5344e-09 deg/d
Q 3.012464905425528 3.3512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      13041 days (35.70 yr)  
   first obs. used      1983-06-14  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:23:07  

Additional Information
 Earth MOID = 1.56894 au 
 Jupiter MOID = 2.40042 au 
 T_jup = 3.313 
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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 16.1   n/a MPO470189  
rotation period rot_per 2.59 h n/a LCDB (Rev. 2019-August); 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.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

204831 Levski           Discovered 2007 Aug. 14 at the Zvezdno Obshtestvo Observatory.
Vasil Levski (1837-1873) was a revolutionary renowned as the national hero of Bulgaria and styled the Apostle of Freedom. An ideologist and strategist of a revolutionary movement aimed at liberating Bulgaria from Ottoman rule, he was selected by a nationwide poll as the greatest Bulgarian of all time.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

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