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74279 (1998 SC123)
Classification: Main-belt Asteroid          SPK-ID: 2074279
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094996575020756 6.8104e-08  
a 3.089055878218792 2.9363e-08 au
q 2.750805317549061 2.231e-07 au
i 5.172180993783605 6.2553e-06 deg
node 15.7654612387969 5.2319e-05 deg
peri 336.4489113905039 5.579e-05 deg
M 306.8460125686779 1.9312e-05 deg
tp 2458893.299561530246
(2020-Feb-13.79956153)
0.00010745 TDB
period 1983.065565628189
5.43
2.8275e-05
7.741e-08
d
yr
n .1815371141730054 2.5884e-09 deg/d
Q 3.427306438888524 3.2578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54917  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:45:43  

Additional Information
 Earth MOID = 1.74562 au 
 Jupiter MOID = 1.99851 au 
 T_jup = 3.210 
[ 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  
diameter diameter 3.547 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74279 (1998 SC123)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SC123 = 2003 QC37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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