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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151691903213464 0.00022989  
a 39.23453577178447 0.012968 AU
q 34.71592605431415 0.0025395 AU
i 3.80709696823168 0.00016596 deg
node 144.6919727591285 0.0091522 deg
peri 101.0704799083002 0.13073 deg
M 27.6422618915105 0.10176 deg
tp 2449908.071319702107
(1995-Jul-09.57131970)
25.616 JED
period 89763.7948242322
245.76
44.505
0.1218
d
yr
n .004010525632354573 1.9884e-06 deg/d
Q 43.75314548925479 0.014462 AU
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      2236 days (6.12 yr)  
   first obs. used      1994-05-12  
   last obs. used      2000-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      4  
   fit RMS      .47087  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:23:50  

Additional Information
 Earth MOID = 33.7048 AU 
 T_jup = 5.576 
[ 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 7.7 mag n/a PDS3 (MPO 1707)  

15810 (1994 JR1)          Discovered 1994-May-12 by Irwin, M. J., Zytkow, A. at La Palma (950)
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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