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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08072150712728535 6.0324e-08  
a 2.788478877541388 2.2613e-08 au
q 2.563388659953646 1.7488e-07 au
i 7.497931536024629 3.9668e-06 deg
node 124.6710233593981 5.355e-05 deg
peri 240.284872042336 6.2539e-05 deg
M 275.6840154606567 3.5591e-05 deg
tp 2459598.842716115338
(2022-Jan-19.34271612)
0.0001695 TDB
period 1700.785190198511
4.66
2.0688e-05
5.664e-08
d
yr
n .2116669418775817 2.5747e-09 deg/d
Q 3.013569095129129 2.4438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      13523 days (37.02 yr)  
   first obs. used      1983-06-14  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:07:13  

Additional Information
 Earth MOID = 1.56852 au 
 Jupiter MOID = 2.39744 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 16.15   n/a E2021B55  
rotation period rot_per 2.59 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.; 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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