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JPL Small-Body Database Browser
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19276 (1995 XS4)
Classification: Main-belt Asteroid          SPK-ID: 2019276
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626752456060926 6.074e-08  
a 3.034659016314329 2.4365e-08 au
q 2.540995115504652 1.7848e-07 au
i 11.73912590609853 6.7587e-06 deg
node 227.028730168772 2.3511e-05 deg
peri 116.3746507737324 3.1849e-05 deg
M 292.1528217994667 2.6203e-05 deg
tp 2459364.408806190842
(2021-May-29.90880619)
0.0001435 TDB
period 1930.915532573667
5.29
2.3255e-05
6.367e-08
d
yr
n .1864400559874131 2.2453e-09 deg/d
Q 3.528322917124006 2.8328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      9096 days (24.90 yr)  
   first obs. used      1994-06-06  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56259  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:42:01  

Additional Information
 Earth MOID = 1.56109 au 
 Jupiter MOID = 2.0945 au 
 T_jup = 3.190 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO293561  
diameter diameter 5.087 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.764 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.130   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19276 (1995 XS4)          Discovered 1995-Dec-14 by Spacewatch at Kitt Peak
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 XS4 = 2000 SM336 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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