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204973 (1993 SN9)
Classification: Main-belt Asteroid          SPK-ID: 2204973
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2389853284903098 1.0186e-07  
a 2.3383555807073 2.0987e-08 AU
q 1.779522904124817 2.3758e-07 AU
i .5148607383868383 6.5717e-06 deg
node 313.6062887331431 0.0013315 deg
peri 58.74954889804934 0.0013317 deg
M 330.8195102936088 1.8687e-05 deg
tp 2457106.365470238701
(2015-Mar-24.86547024)
6.8164e-05 JED
period 1306.063389250973
3.58
1.7583e-05
4.814e-08
d
yr
n .275637463665879 3.7108e-09 deg/d
Q 2.897188257289783 2.6002e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1993-09-15  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58403  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 16:20:00  

Additional Information
 Earth MOID = .779834 AU 
 T_jup = 3.527 
[ 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 17.4 mag n/a MPO260326  

204973 (1993 SN9)          Discovered 1993-Sep-22 by Debehogne, H., Elst, E. W. at La Silla (809)
Reference: 20090209/Numbers.arcLast Updated: 2009-02-11

Alternate Designations
 1993 SN9 = 2000 OQ59 = 2000 QD131 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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