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4131 Stasik (1988 DR4)
Classification: Main-belt Asteroid          SPK-ID: 2004131
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104384675284046 4.3033e-08  
a 3.165052892443314 2.0965e-08 au
q 2.834669874008788 1.383e-07 au
i 12.42320369686761 3.9294e-06 deg
node 282.501544907503 2.2486e-05 deg
peri 100.0430998674518 3.1302e-05 deg
M 24.94219340107484 2.0451e-05 deg
tp 2458858.004212226908
(2020-Jan-09.50421223)
0.00011703 TDB
period 2056.694965571979
5.63
2.0435e-05
5.595e-08
d
yr
n .1750381101846486 1.7391e-09 deg/d
Q 3.49543591087784 2.3153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2151  
   data-arc span      16315 days (44.67 yr)  
   first obs. used      1975-12-04  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:11:49  

Additional Information
 Earth MOID = 1.87285 au 
 Jupiter MOID = 1.99743 au 
 T_jup = 3.159 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457083.5 (2015-Mar-02.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030088511478951 4.3875e-08  
q 2.83884226804707 1.4058e-07 au
tp 2456783.032447820607
(2014-May-05.53244782)
0.00012264 TDB
node 282.9720829481472 2.2461e-05 deg
peri 96.85957616483805 3.1365e-05 deg
i 12.42250909420854 3.9389e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2151  
   data-arc span      16315 days (44.67 yr)  
   first obs. used      1975-12-04  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:11:49  

Additional Information
 Jupiter MOID = 1.99743 au 
 T_jup = 3.159 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.925002510623004E-15 -6.11397649090625E-15 -2.123352606017812E-12 2.170214250398256E-15 -4.093043710239249E-13 -2.014325231132852E-15
q -6.11397649090625E-15 1.976276621331554E-14 6.111137230792308E-12 -3.171192032998862E-15 1.194532483798464E-12 8.363261595588952E-15
tp -2.123352606017812E-12 6.111137230792308E-12 1.50394585091584E-8 -9.043603996818952E-12 2.725821414670938E-9 7.421332606983411E-12
node 2.170214250398256E-15 -3.171192032998862E-15 -9.043603996818952E-12 5.045152689907613E-10 -4.938154967285729E-10 2.540349350328853E-11
peri -4.093043710239249E-13 1.194532483798464E-12 2.725821414670938E-9 -4.938154967285729E-10 9.83778968775836E-10 -2.356381578914364E-11
i -2.014325231132852E-15 8.363261595588952E-15 7.421332606983411E-12 2.540349350328853E-11 -2.356381578914364E-11 1.551507557680113E-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 11.8   n/a MPO502193  
diameter diameter 29.130 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.5405 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.044   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4131 Stasik (1988 DR4)          Discovered 1988-Feb-23 by Noymer, A. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 DR4 = 1975 XP5 = 1979 OT12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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