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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873786110669274 7.0941e-05  
a 39.41933525045297 0.0054364 au
q 32.03299496204153 0.0019003 au
i 5.154312277962724 0.00023789 deg
node 354.6043518021521 0.00055273 deg
peri 316.0508295591819 0.021595 deg
M 70.82722648324075 0.02828 deg
tp 2440815.244599819660
(1970-Aug-16.74459982)
3.4567 TDB
period 90398.73876156844
247.50
18.701
0.0512
d
yr
n .003982356445807495 8.2383e-07 deg/d
Q 46.80567553886442 0.0064551 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      5839 days (15.99 yr)  
   first obs. used      1993-09-23  
   last obs. used      2009-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .56876  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 05:12:01  

Additional Information
 Earth MOID = 31.0199 au 
 Jupiter MOID = 26.9521 au 
 T_jup = 5.517 
[ 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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