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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 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 
[ 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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