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15842 (1995 SX2)
Classification: Main-belt Asteroid          SPK-ID: 2015842
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907486740453364 3.3989e-08  
a 2.424497943498533 9.3225e-09 au
q 1.962028175550543 8.1215e-08 au
i 3.506559809892649 3.7328e-06 deg
node 41.979851998405 5.2758e-05 deg
peri 280.5940940064189 5.3838e-05 deg
M 217.6459047678819 1.2615e-05 deg
tp 2459545.753700401919
(2021-Nov-27.25370040)		 4.9719e-05 TDB
period 1378.89487355193
3.78		 7.953e-06
2.177e-08		 d
yr
n .2610786412401889 1.5058e-09 deg/d
Q 2.886967711446523 1.1101e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1976  
   data-arc span      9440 days (25.85 yr)  
   first obs. used      1994-04-02  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:29:17  

Additional Information
 Earth MOID = .953399 au 
 Jupiter MOID = 2.44026 au 
 T_jup = 3.484 
[ show covariance matrix ]

[ 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 14.2   n/a MPO319282  
diameter diameter 8.212 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15842 (1995 SX2)          Discovered 1995-Sep-20 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 SX2 = 1998 DG14 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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