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JPL Small-Body Database Browser
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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 ]

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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104384672848385 4.3146e-08  
a 3.165052893340424 2.1003e-08 au
q 2.834669882521249 1.3874e-07 au
i 12.42320369820936 3.9408e-06 deg
node 282.5015439692768 2.2556e-05 deg
peri 100.0431014107264 3.137e-05 deg
M 24.94219260704103 2.0502e-05 deg
tp 2458858.004216702672
(2020-Jan-09.50421670)
0.00011732 TDB
period 2056.69496644641
5.63
2.0472e-05
5.605e-08
d
yr
n .1750381101102287 1.7423e-09 deg/d
Q 3.495435904159598 2.3195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2103  
   data-arc span      16134 days (44.17 yr)  
   first obs. used      1975-12-04  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:05:00  

Additional Information
 Earth MOID = 1.87285 au 
 Jupiter MOID = 1.99743 au 
 T_jup = 3.159 
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Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030095679597458 4.3992e-08  
q 2.838793129200528 1.4104e-07 au
tp 2456782.982298941317
(2014-May-05.48229894)
0.00012282 TDB
node 282.9719309501514 2.2531e-05 deg
peri 96.84840081357807 3.1431e-05 deg
i 12.42258967977907 3.9505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2103  
   data-arc span      16134 days (44.17 yr)  
   first obs. used      1975-12-04  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:05:00  

Additional Information
 Jupiter MOID = 1.99743 au 
 T_jup = 3.159 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.93527720182267E-15 -6.150688806415776E-15 -2.142117469942894E-12 2.014631615484397E-15 -4.123021191902586E-13 -2.065987206890025E-15
q -6.150688806415776E-15 1.989353007269577E-14 6.179425862108318E-12 -2.690632286294425E-15 1.205486459108457E-12 8.545040119491548E-15
tp -2.142117469942894E-12 6.179425862108318E-12 1.508409041103183E-8 -8.685462262152741E-12 2.732879701304976E-9 7.531021451503086E-12
node 2.014631615484397E-15 -2.690632286294425E-15 -8.685462262152741E-12 5.076585501031737E-10 -4.968239806662967E-10 2.590925682794824E-11
peri -4.123021191902586E-13 1.205486459108457E-12 2.732879701304976E-9 -4.968239806662967E-10 9.878879204839178E-10 -2.403881996827096E-11
i -2.065987206890025E-15 8.545040119491548E-15 7.531021451503086E-12 2.590925682794824E-11 -2.403881996827096E-11 1.560677739475478E-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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