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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ show covariance matrix ]

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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