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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1908839222366398 3.3866e-08  
a 2.424108432190384 9.142e-09 au
q 1.961385106726972 8.0994e-08 au
i 3.506849102825959 3.5744e-06 deg
node 41.97641698298511 5.239e-05 deg
peri 280.63644114 5.3416e-05 deg
M 269.8322309275165 1.2666e-05 deg
tp 2459545.783093485859
(2021-Nov-27.28309349)
4.9443e-05 TDB
period 1378.562594301144
3.77
7.7984e-06
2.135e-08
d
yr
n .2611415698410853 1.4773e-09 deg/d
Q 2.886831757653797 1.0887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2097  
   data-arc span      9566 days (26.19 yr)  
   first obs. used      1994-04-02  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51843  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:10:51  

Additional Information
 Earth MOID = .950811 au 
 Jupiter MOID = 2.44045 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 14.25   n/a E2021B10  
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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