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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247950839963676 0.00032156  
a 42.63839128400033 0.020809 au
q 33.05349053384349 0.0071681 au
i 14.03742732202953 0.00072672 deg
node 56.31066590877501 0.00042054 deg
peri 237.5916931907581 0.061605 deg
M 356.6563817753823 0.035428 deg
tp 2460145.025801260288
(2023-Jul-19.52580126)
9.5189 TDB
period 101695.0098998166
278.43
74.445
0.2038
d
yr
n .003539996705390449 2.5914e-06 deg/d
Q 52.22329203415717 0.025486 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .40251  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 05:11:49  

Additional Information
 Earth MOID = 32.0576 au 
 Jupiter MOID = 28.0088 au 
 T_jup = 5.534 
[ 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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