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74231 (1998 SS24)
Classification: Main-belt Asteroid          SPK-ID: 2074231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565732236652652 3.3608e-08  
a 2.615764222580876 9.7245e-09 au
q 2.206205585903122 8.7914e-08 au
i 5.014891015603855 3.0627e-06 deg
node 74.76262608450394 4.1414e-05 deg
peri 295.0704600747055 4.2652e-05 deg
M 92.13983808104149 9.5899e-06 deg
tp 2458805.004757282746
(2019-Nov-17.50475728)
4.0796e-05 TDB
period 1545.241345583685
4.23
8.617e-06
2.359e-08
d
yr
n .2329733158052518 1.2992e-09 deg/d
Q 3.025322859258631 1.1247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      8207 days (22.47 yr)  
   first obs. used      1998-09-17  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51133  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:12:03  

Additional Information
 Earth MOID = 1.2102 au 
 Jupiter MOID = 2.44923 au 
 T_jup = 3.384 
[ 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 15.55   n/a MPCxxxxx  

74231 (1998 SS24)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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