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JPL Small-Body Database Browser
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74227 (1998 SR13)
Classification: Main-belt Asteroid          SPK-ID: 2074227
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08675112921067848 5.5644e-08  
a 2.780260893141576 2.0214e-08 au
q 2.539070121161255 1.6196e-07 au
i 6.810325063719747 5.621e-06 deg
node 27.18074782689377 3.8983e-05 deg
peri 356.9568615784239 4.7855e-05 deg
M 158.7768366265034 3.0395e-05 deg
tp 2457853.687810889493
(2017-Apr-10.18781089)
0.00013964 TDB
period 1693.272103110443
4.64
1.8467e-05
5.056e-08
d
yr
n .2126061129446949 2.3187e-09 deg/d
Q 3.021451665121897 2.1968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1998-09-16  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56793  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:08:35  

Additional Information
 Earth MOID = 1.54192 au 
 Jupiter MOID = 2.40545 au 
 T_jup = 3.318 
[ 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 14.8   n/a MPO432295  

74227 (1998 SR13)          Discovered 1998-Sep-23 by ODAS at Caussols
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SR13 = 1998 SB10 = 2000 DX81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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