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74087 (1998 OS13)
Classification: Main-belt Asteroid          SPK-ID: 2074087
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1975390248292042 5.3024e-08  
a 2.672069684916054 1.8718e-08 au
q 2.144231645082058 1.4517e-07 au
i 12.44929456299887 8.0695e-06 deg
node 319.1592999250699 2.5635e-05 deg
peri 84.76855854117296 3.5708e-05 deg
M 302.1366188698886 2.0766e-05 deg
tp 2459256.931517935924
(2021-Feb-11.43151794)
9.2117e-05 TDB
period 1595.40186995559
4.37
1.6764e-05
4.59e-08
d
yr
n .2256484756470927 2.3711e-09 deg/d
Q 3.19990772475005 2.2416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8044 days (22.02 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:10:23  

Additional Information
 Earth MOID = 1.19485 au 
 Jupiter MOID = 2.36265 au 
 T_jup = 3.319 
[ 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 15.1   n/a MPO439559  

74087 (1998 OS13)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 OS13 = 2000 AJ47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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