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357086 (2001 SA228)
Classification: Main-belt Asteroid          SPK-ID: 2357086
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05873867044904136 4.5747e-08  
a 2.759068704150234 2.448e-08 au
q 2.59700467679089 1.2942e-07 au
i 6.509279203829984 5.4776e-06 deg
node 16.8515030959231 4.2187e-05 deg
peri 311.9082939037857 6.4062e-05 deg
M 341.4955628277244 4.6225e-05 deg
tp 2458686.543006875201
(2019-Jul-22.04300688)
0.00021485 TDB
period 1673.94891218207
4.58
2.2278e-05
6.099e-08
d
yr
n .2150603267400338 2.8622e-09 deg/d
Q 2.921132731509578 2.5918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6572 days (17.99 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:28  

Additional Information
 Earth MOID = 1.59104 au 
 Jupiter MOID = 2.29303 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457408.5 (2016-Jan-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06089621075595771 4.5861e-08  
q 2.590705391499941 1.3015e-07 au
tp 2457012.002318959709
(2014-Dec-20.50231896)
0.00020876 TDB
node 16.90691522958385 4.2099e-05 deg
peri 311.8606974902634 6.2602e-05 deg
i 6.51813932273938 5.4828e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6572 days (17.99 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:28  

Additional Information
 Jupiter MOID = 2.29303 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.103276933056296E-15 -5.875791342782964E-15 7.883629165929324E-13 -1.253423761588515E-14 1.455027111594004E-13 -2.550350044508134E-15
q -5.875791342782964E-15 1.693805525666765E-14 -3.046495558756278E-12 3.344392290937698E-14 -5.649196519086515E-13 7.842476460832954E-15
tp 7.883629165929324E-13 -3.046495558756278E-12 4.358083791488039E-8 -2.557202912501225E-11 9.691288972221775E-9 1.788831187950961E-12
node -1.253423761588515E-14 3.344392290937698E-14 -2.557202912501225E-11 1.772356765192293E-9 -1.765962812114696E-9 -6.348520268356506E-12
peri 1.455027111594004E-13 -5.649196519086515E-13 9.691288972221775E-9 -1.765962812114696E-9 3.919052096102273E-9 6.784523815984369E-12
i -2.550350044508134E-15 7.842476460832954E-15 1.788831187950961E-12 -6.348520268356506E-12 6.784523815984369E-12 3.006120192907888E-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 16.4   n/a MPO494857  

357086 (2001 SA228)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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