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15789 (1993 SC)
Classification: TransNeptunian Object          SPK-ID: 2015789
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188503700224049 1.2717e-05  
a 39.53250775835227 0.0015211 au
q 32.08048376676695 0.00074774 au
i 5.149032850277698 3.3727e-05 deg
node 354.534784782594 0.00032495 deg
peri 316.8610761982749 0.0074706 deg
M 71.57342069198511 0.008641 deg
tp 2440950.415173949797
(1970-Dec-29.91517395)
1.1379 TDB
period 90788.31882777026
248.56
5.24
0.01435
d
yr
n .003965267830137235 2.2886e-07 deg/d
Q 46.9845317499376 0.0018078 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      9614 days (26.32 yr)  
   first obs. used      1993-09-23  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .68838  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:22  

Additional Information
 Earth MOID = 31.0683 au 
 Jupiter MOID = 27.0033 au 
 T_jup = 5.524 
[ 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 7.0   n/a MPO229164  
diameter diameter 328 km 60 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)  
geometric albedo albedo 0.022   0.010 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)  

15789 (1993 SC)          Discovered 1993-Sep-17 by Williams, I. P., Fitzsimmons, A., O'Ceallaigh, D. at La Palma
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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