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JPL Small-Body Database Browser
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74409 (1998 YN28)
Classification: Main-belt Asteroid          SPK-ID: 2074409
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 .07435031772892095 4.9573e-08  
a 2.998753073630227 2.5047e-08 au
q 2.775794829815242 1.4884e-07 au
i 11.15927316749016 4.8986e-06 deg
node 88.38244015458611 2.4323e-05 deg
peri 125.3491643158369 3.9112e-05 deg
M 207.6213555492214 3.0159e-05 deg
tp 2459403.343861404502
(2021-Jul-07.84386140)
0.00016153 TDB
period 1896.747350308536
5.19
2.3764e-05
6.506e-08
d
yr
n .1897986044063487 2.378e-09 deg/d
Q 3.221711317445213 2.691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1998-12-16  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5601  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:28  

Additional Information
 Earth MOID = 1.78447 au 
 Jupiter MOID = 1.83109 au 
 T_jup = 3.221 
[ 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 14.4   n/a MPO459335  
diameter diameter 4.847 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74409 (1998 YN28)          Discovered 1998-Dec-16 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YN28 = 2000 EU168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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