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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2240764910857073 0.00032186  
a 42.60899023103558 0.020804 au
q 33.06131721135994 0.0071075 au
i 14.02504942961174 0.00072611 deg
node 56.24829000822718 0.00042195 deg
peri 237.0365534206099 0.061685 deg
M 354.9049127414743 0.036501 deg
tp 2460038.303099640920
(2023-Apr-03.80309964)
9.5556 TDB
period 101589.8432366614
278.14
74.402
0.2037
d
yr
n .003543661339858083 2.5953e-06 deg/d
Q 52.15666325071121 0.025465 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 = 32.0663 au 
 Jupiter MOID = 28.0119 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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