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213845 (2003 SC50)
Classification: Main-belt Asteroid          SPK-ID: 2213845
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191730372163521 5.5002e-08  
a 2.373239464999446 1.2256e-08 au
q 1.853089363413807 1.3046e-07 au
i 5.647759557746074 6.3447e-06 deg
node 211.6370726560224 4.5862e-05 deg
peri 178.7762428497632 4.7092e-05 deg
M 231.0658901798629 1.2605e-05 deg
tp 2459678.773253853591
(2022-Apr-09.27325385)
4.9123e-05 TDB
period 1335.398147375286
3.66
1.0345e-05
2.832e-08
d
yr
n .2695825216678465 2.0883e-09 deg/d
Q 2.893389566585085 1.4943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6114 days (16.74 yr)  
   first obs. used      2003-08-24  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59311  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:20  

Additional Information
 Earth MOID = .857414 au 
 Jupiter MOID = 2.5501 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457275.5 (2015-Sep-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175226795954467 5.4765e-08  
q 1.858132842793196 1.2957e-07 au
tp 2457006.335916085070
(2014-Dec-14.83591609)
3.9577e-05 TDB
node 211.7059478650191 4.5975e-05 deg
peri 178.629964254713 4.7229e-05 deg
i 5.63769050759443 6.3385e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6114 days (16.74 yr)  
   first obs. used      2003-08-24  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59311  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:20  

Additional Information
 Jupiter MOID = 2.5501 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.999168537817463E-15 -7.075943051538664E-15 -9.847818125623758E-13 -6.684620438327335E-15 -2.597016693110972E-13 -8.127347331442521E-15
q -7.075943051538664E-15 1.67873133537992E-14 2.443292495798894E-12 1.608608726214891E-14 6.459844816964438E-13 1.924512102819995E-14
tp -9.847818125623758E-13 2.443292495798894E-12 1.566317175234594E-9 1.151502031799813E-11 4.453049250064902E-10 3.054286879383164E-12
node -6.684620438327335E-15 1.608608726214891E-14 1.151502031799813E-11 2.113702643455339E-9 -2.099692563712634E-9 -1.304457354068177E-10
peri -2.597016693110972E-13 6.459844816964438E-13 4.453049250064902E-10 -2.099692563712634E-9 2.230611722127982E-9 1.307066985590431E-10
i -8.127347331442521E-15 1.924512102819995E-14 3.054286879383164E-12 -1.304457354068177E-10 1.307066985590431E-10 4.017691129444371E-11

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 16.82   n/a E2021B55  

213845 (2003 SC50)          Discovered 2003-Sep-18 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2003 SC50 = 2003 RQ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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