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74404 (1998 YU11)
Classification: Main-belt Asteroid          SPK-ID: 2074404
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04297033185556306 3.9731e-08  
a 3.034813967209214 2.4375e-08 au
q 2.904407003918336 1.2644e-07 au
i 8.167661861733942 4.4202e-06 deg
node 105.9498179987945 3.9002e-05 deg
peri 5.826918468112106 7.7892e-05 deg
M 9.15123571054961 6.6088e-05 deg
tp 2458951.412176197209
(2020-Apr-11.91217620)
0.00035449 TDB
period 1931.063424432699
5.29
2.3265e-05
6.37e-08
d
yr
n .186425777343776 2.246e-09 deg/d
Q 3.165220930500091 2.5423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      7714 days (21.12 yr)  
   first obs. used      1998-12-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:15:30  

Additional Information
 Earth MOID = 1.92119 au 
 Jupiter MOID = 1.90828 au 
 T_jup = 3.225 
[ 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 14.2   n/a MPO337818  
diameter diameter 7.930 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74404 (1998 YU11)          Discovered 1998-Dec-19 by Kawasato, N. at Uenohara
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YU11 = 2000 FW45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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