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71774 (2000 SA121)
Classification: Main-belt Asteroid          SPK-ID: 2071774
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05804594382947859 5.455e-08  
a 2.208109863511151 1.1181e-08 au
q 2.079938042404466 1.2125e-07 au
i 3.9103845296727 5.823e-06 deg
node 128.62529213 6.1641e-05 deg
peri 207.9357215916487 7.0671e-05 deg
M 38.90064885677857 3.5587e-05 deg
tp 2458870.995819496146
(2020-Jan-22.49581950)
0.00011832 TDB
period 1198.476281283502
3.28
9.1031e-06
2.492e-08
d
yr
n .3003814139854815 2.2816e-09 deg/d
Q 2.336281684617837 1.183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:31:35  

Additional Information
 Earth MOID = 1.07054 au 
 Jupiter MOID = 2.83815 au 
 T_jup = 3.654 
[ show covariance matrix ]

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 16.3   n/a MPO436284  

71774 (2000 SA121)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 SA121 = 1992 ES19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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