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159181 Berdychiv (2005 US12)
Classification: Main-belt Asteroid          SPK-ID: 2159181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476236129596173 4.4213e-08  
a 3.162598311484401 2.6093e-08 au
q 2.695724122403088 1.3482e-07 au
i 4.64402848403015 4.6822e-06 deg
node 164.8220518550437 6.0292e-05 deg
peri 288.2497528192333 6.2593e-05 deg
M 208.56185532079 1.8728e-05 deg
tp 2460064.666165532999
(2023-Apr-30.16616553)
0.00011269 TDB
period 2054.302898723961
5.62
2.5423e-05
6.96e-08
d
yr
n .1752419276746459 2.1687e-09 deg/d
Q 3.629472500565713 2.9945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1994-10-29  
   last obs. used      2019-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56218  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:56:05  

Additional Information
 Earth MOID = 1.71677 au 
 Jupiter MOID = 1.58171 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457203.5 (2015-Jun-30.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527201999643797 4.4611e-08  
q 2.669859597597276 1.3694e-07 au
tp 2458010.445855206154
(2017-Sep-13.94585521)
9.5988e-05 TDB
node 165.1708825071384 6.059e-05 deg
peri 287.0767647053979 6.2635e-05 deg
i 4.637409388539649 4.6792e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1994-10-29  
   last obs. used      2019-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56218  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:56:05  

Additional Information
 Jupiter MOID = 1.58171 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.990180149665445E-15 -6.034511358966634E-15 3.182798455521015E-13 -1.111938366979213E-14 -9.016458931663858E-15 -9.711258404278771E-17
q -6.034511358966634E-15 1.875175535123677E-14 -2.297649356914923E-13 2.88614935810156E-14 1.196105631082405E-13 3.075146068025281E-16
tp 3.182798455521015E-13 -2.297649356914923E-13 9.213637654821398E-9 1.2023724532328E-12 1.548510402964881E-9 -2.547483572210102E-12
node -1.111938366979213E-14 2.88614935810156E-14 1.2023724532328E-12 3.671193980331225E-9 -3.657954542563145E-9 2.000965232200748E-11
peri -9.016458931663858E-15 1.196105631082405E-13 1.548510402964881E-9 -3.657954542563145E-9 3.923185934051421E-9 -2.037815497529706E-11
i -9.711258404278771E-17 3.075146068025281E-16 -2.547483572210102E-12 2.000965232200748E-11 -2.037815497529706E-11 2.189511944608685E-11

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 15.55   n/a MPCxxxxx  

159181 Berdychiv           Discovered 2005 Oct. 29 at the Andrushivka Observatory.
Berdychiv is the second most populous city in the Zhytomyr region in the northwest of Ukraine. First mentioned in 1320, the city is full of historical places. Among these are the fortified Carmelite monastery of 1627 and St. Barbara's Roman Catholic Church, where Honoré de Balzac married Eveline Hanska.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Alternate Designations
 2005 US12 = 2000 YD84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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