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359684 (2011 SC154)
Classification: Main-belt Asteroid          SPK-ID: 2359684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08879464646453765 1.033e-07  
a 2.605541779900729 4.2711e-08 au
q 2.374183618705861 2.5685e-07 au
i .7783923779286888 1.0897e-05 deg
node 126.0086320158026 0.00079403 deg
peri 285.5272910389494 0.0007981 deg
M 344.93085392572 8.1215e-05 deg
tp 2459064.803058643438
(2020-Aug-03.30305864)
0.00034731 TDB
period 1536.191964530007
4.21
3.7773e-05
1.034e-07
d
yr
n .2343457121975905 5.7622e-09 deg/d
Q 2.836899941095596 4.6503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4811 days (13.17 yr)  
   first obs. used      2003-11-30  
   last obs. used      2017-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60246  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 06:34:40  

Additional Information
 Earth MOID = 1.38497 au 
 Jupiter MOID = 2.44581 au 
 T_jup = 3.407 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456266.5 (2012-Dec-05.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08981246025169724 1.0401e-07  
q 2.371426682925916 2.5949e-07 au
tp 2455984.869905171545
(2012-Feb-27.36990517)
0.0003117 TDB
node 125.9474674356316 0.00079523 deg
peri 284.1295523377732 0.00079918 deg
i .778143687916774 1.0887e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4811 days (13.17 yr)  
   first obs. used      2003-11-30  
   last obs. used      2017-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60246  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 06:34:40  

Additional Information
 Jupiter MOID = 2.44581 au 
 T_jup = 3.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.081840554679043E-14 -2.671998204712622E-14 -3.149863949341552E-12 7.106465666765477E-14 -1.034702748549295E-12 -2.447613188706934E-15
q -2.671998204712622E-14 6.733280912178639E-14 1.196295065266413E-11 -1.872729669158061E-13 3.665857178464214E-12 6.525801691830015E-15
tp -3.149863949341552E-12 1.196295065266413E-11 9.715951949172021E-8 -1.816027832663862E-10 2.484274764806093E-8 7.898780931746538E-12
node 7.106465666765477E-14 -1.872729669158061E-13 -1.816027832663862E-10 6.323861303027621E-7 -6.323751708251541E-7 7.511383980386883E-10
peri -1.034702748549295E-12 3.665857178464214E-12 2.484274764806093E-8 -6.323751708251541E-7 6.386871077562487E-7 -7.490338175308837E-10
i -2.447613188706934E-15 6.525801691830015E-15 7.898780931746538E-12 7.511383980386883E-10 -7.490338175308837E-10 1.185295205620777E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO494870  

359684 (2011 SC154)          Discovered 2003-Nov-30 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 SC154 = 2003 WK164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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