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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07295932536960856 4.0673e-08  
a 2.729132248666649 1.6847e-08 au
q 2.530016600959488 1.1558e-07 au
i 4.916480810805571 4.4548e-06 deg
node 345.6758950467977 5.2237e-05 deg
peri 357.3380568608431 6.0714e-05 deg
M 307.2538464446753 3.2481e-05 deg
tp 2459241.781260363911
(2021-Jan-27.28126036)
0.00014934 TDB
period 1646.77891895758
4.51
1.5249e-05
4.175e-08
d
yr
n .2186085793640606 2.0242e-09 deg/d
Q 2.928247896373811 1.8076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      8887 days (24.33 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:49:17  

Additional Information
 Earth MOID = 1.52193 au 
 Jupiter MOID = 2.38235 au 
 T_jup = 3.346 
[ 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 15.5   n/a MPO474629  
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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