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74301 (1998 SK163)
Classification: Main-belt Asteroid          SPK-ID: 2074301
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137051656708491 6.2579e-08  
a 2.765883383587508 2.1519e-08 au
q 2.451388155230442 1.7909e-07 au
i 4.287533885292459 7.2055e-06 deg
node .4522310472070812 6.2773e-05 deg
peri 345.6866839190447 6.676e-05 deg
M 281.9307102830586 2.4327e-05 deg
tp 2459364.856861162367
(2021-May-30.35686116)
0.00011524 TDB
period 1680.154520350248
4.60
1.9607e-05
5.368e-08
d
yr
n .2142660068699834 2.5005e-09 deg/d
Q 3.080378611944574 2.3965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      8431 days (23.08 yr)  
   first obs. used      1996-03-11  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:58:39  

Additional Information
 Earth MOID = 1.44462 au 
 Jupiter MOID = 2.31276 au 
 T_jup = 3.326 
[ 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 15.5   n/a MPO432296  

74301 (1998 SK163)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SK163 = 1996 EN13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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