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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022717639308187 4.1724e-08  
a 2.594152693576747 1.1317e-08 au
q 2.069428852341094 1.0494e-07 au
i 8.034290354157065 6.2219e-06 deg
node 28.94646960594537 2.8408e-05 deg
peri 300.9161533584748 3.2727e-05 deg
M 359.9422484769045 1.6001e-05 deg
tp 2458600.744823257204
(2019-Apr-27.24482326)
6.7833e-05 TDB
period 1526.130703907352
4.18
9.9868e-06
2.734e-08
d
yr
n .2358906737662063 1.5436e-09 deg/d
Q 3.118876534812401 1.3606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1997-04-14  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:59:08  

Additional Information
 Earth MOID = 1.07199 au 
 Jupiter MOID = 2.29063 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457212.5 (2015-Jul-09.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043023185907165 4.1914e-08  
q 2.063683476973621 1.057e-07 au
tp 2457075.020839046964
(2015-Feb-21.52083905)
6.3681e-05 TDB
node 28.96354456664428 2.8393e-05 deg
peri 301.0119607446264 3.2619e-05 deg
i 8.040083849753845 6.2232e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1997-04-14  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:59:08  

Additional Information
 Jupiter MOID = 2.29063 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.7567538074491E-15 -4.416819803869762E-15 1.08698746398082E-12 -7.599491124104878E-15 2.255425030072156E-13 -4.01518762755013E-16
q -4.416819803869762E-15 1.117200179850435E-14 -2.681842167788998E-12 1.779016842664661E-14 -5.51091185758939E-13 1.207978229132658E-15
tp 1.08698746398082E-12 -2.681842167788998E-12 4.055254936382613E-9 -1.628142293173929E-11 1.029806650093931E-9 -1.336245647637108E-12
node -7.599491124104878E-15 1.779016842664661E-14 -1.628142293173929E-11 8.061344247855433E-10 -8.015824392626723E-10 2.61673181082358E-11
peri 2.255425030072156E-13 -5.51091185758939E-13 1.029806650093931E-9 -8.015824392626723E-10 1.064008386762599E-9 -2.627539222306632E-11
i -4.01518762755013E-16 1.207978229132658E-15 -1.336245647637108E-12 2.61673181082358E-11 -2.627539222306632E-11 3.872858790038039E-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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