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74288 (1998 SG134)
Classification: Main-belt Asteroid          SPK-ID: 2074288
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286814666479154 4.4865e-08  
a 2.566351864293775 1.3379e-08 au
q 2.23610994246184 1.1618e-07 au
i 13.53254432955295 5.3192e-06 deg
node 19.48817707756756 2.2771e-05 deg
peri 1.34722270557887 3.2298e-05 deg
M 358.9703979287409 2.5178e-05 deg
tp 2458604.794767272092
(2019-May-01.29476727)
0.00010504 TDB
period 1501.663857437823
4.11
1.1742e-05
3.215e-08
d
yr
n .2397340777810562 1.8746e-09 deg/d
Q 2.89659378612571 1.51e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      7750 days (21.22 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:00  

Additional Information
 Earth MOID = 1.23801 au 
 Jupiter MOID = 2.56294 au 
 T_jup = 3.382 
[ 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 14.5   n/a MPO449468  
diameter diameter 3.154 km 0.570 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74288 (1998 SG134)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SG134 = 2000 EC119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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