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7701 Zrzavy (1990 TX8)
Classification: Main-belt Asteroid          SPK-ID: 2007701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427232715996421 4.1028e-08  
a 2.689789670572445 1.1816e-08 au
q 2.036915121816178 1.1137e-07 au
i 3.304711297228883 4.8541e-06 deg
node 19.66025109531297 6.4479e-05 deg
peri 1.005122587678453 6.4949e-05 deg
M 305.9095965407524 9.7677e-06 deg
tp 2459442.599353183646
(2021-Aug-16.09935318)
4.483e-05 TDB
period 1611.298152208773
4.41
1.0618e-05
2.907e-08
d
yr
n .2234223377631946 1.4723e-09 deg/d
Q 3.342664219328713 1.4684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      10924 days (29.91 yr)  
   first obs. used      1990-09-25  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:57:54  

Additional Information
 Earth MOID = 1.03833 au 
 Jupiter MOID = 2.12066 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456581.5 (2013-Oct-16.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2435984104147631 4.0806e-08  
q 2.033360083962345 1.1073e-07 au
tp 2456227.529125067198
(2012-Oct-27.02912507)
3.4149e-05 TDB
node 19.77148775769947 6.4442e-05 deg
peri 1.5750709991263 6.4911e-05 deg
i 3.306706049675101 4.8552e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      10924 days (29.91 yr)  
   first obs. used      1990-09-25  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:57:54  

Additional Information
 Jupiter MOID = 2.12066 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.665092484536503E-15 -4.504050242037362E-15 -3.455810287472704E-13 9.617879776991471E-16 -8.760493701582993E-14 -2.203109996016545E-17
q -4.504050242037362E-15 1.226106276353177E-14 1.007442917554295E-12 -4.032449260071835E-15 2.555046288198192E-13 2.258772024605687E-16
tp -3.455810287472704E-13 1.007442917554295E-12 1.166130001768881E-9 -9.870854839119922E-13 2.777419574109276E-10 1.550987628648753E-13
node 9.617879776991471E-16 -4.032449260071835E-15 -9.870854839119922E-13 4.152808114193153E-9 -4.14598670234433E-9 -6.066296747303226E-11
peri -8.760493701582993E-14 2.555046288198192E-13 2.777419574109276E-10 -4.14598670234433E-9 4.213492030945563E-9 6.062342734850634E-11
i -2.203109996016545E-17 2.258772024605687E-16 1.550987628648753E-13 -6.066296747303226E-11 6.062342734850634E-11 2.357286211702813E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.58   n/a E2021B10  

7701 Zrzavý           Discovered 1990 Oct. 14 by A. Mrkos at Klet.
Jan Zrzavý (1890-1977) was a Czech painter, graphic artist and illustrator, known for imaginary lyric landscapes and figures. The name was suggested by J. Ticha.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1990 TX8 = 1992 EY19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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