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JPL Small-Body Database Browser
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74401 (1998 YZ)
Classification: Main-belt Asteroid          SPK-ID: 2074401
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 .1446122694851695 5.2032e-08  
a 3.11794143024024 2.3387e-08 au
q 2.667048843891363 1.5845e-07 au
i 12.30171365314676 4.5588e-06 deg
node 270.9277742334357 2.3699e-05 deg
peri 67.07409014560832 2.9757e-05 deg
M 350.8494998501448 1.5953e-05 deg
tp 2458651.614331800968
(2019-Jun-17.11433180)
8.902e-05 TDB
period 2010.945756734371
5.51
2.2625e-05
6.194e-08
d
yr
n .1790202439794367 2.0142e-09 deg/d
Q 3.568834016589116 2.6769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      9424 days (25.80 yr)  
   first obs. used      1994-02-16  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:28  

Additional Information
 Earth MOID = 1.68577 au 
 Jupiter MOID = 1.86626 au 
 T_jup = 3.166 
[ 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 MPO453157  
diameter diameter 9.023 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74401 (1998 YZ)          Discovered 1998-Dec-16 by Klet at Klet
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YZ = 2002 LL29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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