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15809 (1994 JS)
Classification: TransNeptunian Object          SPK-ID: 2015809
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224242731667854 0.00032134  
a 42.60525098279588 0.020765 au
q 33.05133311901921 0.0071895 au
i 14.04259950443869 0.00072703 deg
node 56.33894287892611 0.00042017 deg
peri 237.77950774 0.061771 deg
M 357.2138814071711 0.035264 deg
tp 2460182.622481948490
(2023-Aug-26.12248195)
9.5433 TDB
period 101576.4706606076
278.10
74.26
0.2033
d
yr
n .003544127864048851 2.591e-06 deg/d
Q 52.15916884657255 0.025422 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      2259 days (6.18 yr)  
   first obs. used      1995-04-06  
   last obs. used      2001-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .40709  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:09:46  

Additional Information
 Earth MOID = 32.0571 au 
 Jupiter MOID = 28.0076 au 
 T_jup = 5.533 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.8   n/a PDS3 (MPO 1707)  

15809 (1994 JS)          Discovered 1994-May-11 by Jewitt, D. C., Luu, J. X. at Cerro Tololo
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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