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JPL Small-Body Database Browser
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74226 (1998 SZ12)
Classification: Main-belt Asteroid          SPK-ID: 2074226
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07969580877778921 4.9982e-08  
a 2.688034888112677 2.0967e-08 au
q 2.473809773681623 1.4216e-07 au
i 13.44630849612994 6.0434e-06 deg
node 90.35185698033605 2.3334e-05 deg
peri 207.5243747720518 4.6227e-05 deg
M 298.5899740225398 4.129e-05 deg
tp 2458875.091796802446
(2020-Jan-26.59179680)		 0.00018476 TDB
period 1609.721625670107
4.41		 1.8834e-05
5.156e-08		 d
yr
n .2236411527677256 2.6167e-09 deg/d
Q 2.902260002543731 2.2638e-08 au
   Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56583  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:17  

Additional Information
 Earth MOID = 1.46378 au 
 Jupiter MOID = 2.24911 au 
 T_jup = 3.329 
[ 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 14.7   n/a MPO436302  
diameter diameter 2.885 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.307   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74226 (1998 SZ12)          Discovered 1998-Sep-21 by Tucker, R. A. at Goodricke-Pigott
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SZ12 = 2001 FK151 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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