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JPL Small-Body Database Browser
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74258 (1998 SY79)
Classification: Main-belt Asteroid          SPK-ID: 2074258
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07336646271777848 4.1565e-08  
a 2.726371280302554 1.856e-08 au
q 2.526347063411415 1.1634e-07 au
i 4.916869704324085 4.7457e-06 deg
node 345.7426732524958 5.3548e-05 deg
peri 358.1242857972031 6.2942e-05 deg
M 218.9179121850951 3.5273e-05 deg
tp 2459244.884820598052
(2021-Jan-30.38482060)
0.00016398 TDB
period 1644.28056749236
4.50
1.6791e-05
4.597e-08
d
yr
n .2189407374369354 2.2357e-09 deg/d
Q 2.926395497193694 1.9922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      8486 days (23.23 yr)  
   first obs. used      1996-02-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52976  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:22  

Additional Information
 Earth MOID = 1.51753 au 
 Jupiter MOID = 2.3874 au 
 T_jup = 3.347 
[ 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 15.4   n/a MPO436302  
diameter diameter 3.575 km 0.991 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74258 (1998 SY79)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SY79 = 2000 AQ94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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