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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160737049647619 0.00020749  
a 39.26703490730939 0.012017 AU
q 34.70916468263735 0.0024956 AU
i 3.807792521613767 5.134e-05 deg
node 144.6892558450515 0.0011393 deg
peri 100.9652314126148 0.033855 deg
M 28.47923927681814 0.039145 deg
tp 2449890.551199849682
(1995-Jun-22.05119985)
6.6443 JED
period 89875.34895770872
246.07
41.256
0.113
d
yr
n .004005547729994348 1.8387e-06 deg/d
Q 43.82490513198144 0.013411 AU
  Orbit Determination Parameters
   # obs. used (total)      39  
   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      .47651  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:17:15  

Additional Information
 Earth MOID = 33.6997 AU 
 T_jup = 5.577 
[ 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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