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46947 (1998 SZ111)
Classification: Main-belt Asteroid          SPK-ID: 2046947
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023984655768722 4.1573e-08  
a 2.594842770613476 1.1169e-08 au
q 2.069650575428069 1.045e-07 au
i 8.033214065418328 6.1705e-06 deg
node 28.94313896868695 2.7699e-05 deg
peri 300.9886922725169 3.2046e-05 deg
M 94.21198151787468 1.6133e-05 deg
tp 2458600.952299110727
(2019-Apr-27.45229911)
6.7378e-05 TDB
period 1526.739699162873
4.18
9.8577e-06
2.699e-08
d
yr
n .2357965802535898 1.5225e-09 deg/d
Q 3.120034965798884 1.343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      8325 days (22.79 yr)  
   first obs. used      1997-04-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:37:56  

Additional Information
 Earth MOID = 1.07308 au 
 Jupiter MOID = 2.29289 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457339.5 (2015-Nov-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042554013783748 4.1755e-08  
q 2.06362614990086 1.0516e-07 au
tp 2457074.969594575703
(2015-Feb-21.46959458)
6.3422e-05 TDB
node 28.9638587154903 2.7679e-05 deg
peri 300.9945815151313 3.1945e-05 deg
i 8.040303523898178 6.1726e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      8325 days (22.79 yr)  
   first obs. used      1997-04-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:37:56  

Additional Information
 Jupiter MOID = 2.29289 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.743462242724646E-15 -4.377862356543196E-15 1.103213406448121E-12 -4.576354895155232E-15 2.249399947550616E-13 -7.669713546056261E-16
q -4.377862356543196E-15 1.105783731843719E-14 -2.730679857096943E-12 1.033501194306397E-14 -5.50990268367971E-13 2.131743464658927E-15
tp 1.103213406448121E-12 -2.730679857096943E-12 4.02233210983901E-9 -9.425089559329921E-12 1.017565447565892E-9 -2.129122979463002E-12
node -4.576354895155232E-15 1.033501194306397E-14 -9.425089559329921E-12 7.661263516977697E-10 -7.602592525190005E-10 3.091361815217696E-11
peri 2.249399947550616E-13 -5.50990268367971E-13 1.017565447565892E-9 -7.602592525190005E-10 1.020493128734863E-9 -3.117427987525417E-11
i -7.669713546056261E-16 2.131743464658927E-15 -2.129122979463002E-12 3.091361815217696E-11 -3.117427987525417E-11 3.810122091444451E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO436110  

46947 (1998 SZ111)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SZ111 = 2000 BR8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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