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15810 (1994 JR1)
Classification: TransNeptunian Object          SPK-ID: 2015810
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195835823401587 0.0001934  
a 39.42713888195802 0.011286 au
q 34.71230037303052 0.0023312 au
i 3.80801149981714 5.1005e-05 deg
node 144.6859365891036 0.0011365 deg
peri 101.545128507308 0.031016 deg
M 30.19379312120165 0.036624 deg
tp 2450016.357312736977
(1995-Oct-25.85731274)
6.0784 JED
period 90425.58371036584
247.57
38.827
0.1063
d
yr
n .003981174190183654 1.7094e-06 deg/d
Q 44.14197739088552 0.012636 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   data-arc span      7701 days (21.08 yr)  
   first obs. used      1994-05-12  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .43473  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:55:21  

Additional Information
 Earth MOID = 33.7009 au 
 Jupiter MOID = 29.3579 au 
 T_jup = 5.586 
[ 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 7.6 mag n/a E2015L43  

15810 (1994 JR1)          Discovered 1994-May-12 by Irwin, M. J., Zytkow, A. at La Palma
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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