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227247 (2005 SC50)
Classification: Main-belt Asteroid          SPK-ID: 2227247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09387919984983072 5.6332e-08  
a 2.367193966053899 1.4328e-08 au
q 2.144963690631412 1.3516e-07 au
i 2.381526312477274 6.3439e-06 deg
node 194.7954346450204 0.00010803 deg
peri 330.4286057261085 0.00011172 deg
M 286.2055566231473 2.9248e-05 deg
tp 2459473.190717775755
(2021-Sep-15.69071778)
0.00010894 TDB
period 1330.298785478266
3.64
1.2078e-05
3.307e-08
d
yr
n .2706158976688637 2.4569e-09 deg/d
Q 2.589424241476387 1.5673e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-12-13  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:01  

Additional Information
 Earth MOID = 1.15203 au 
 Jupiter MOID = 2.38141 au 
 T_jup = 3.540 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO437076  
rotation period rot_per 1.33 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

227247 (2005 SC50)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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