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4929 Yamatai (1982 XV)
Classification: Main-belt Asteroid          SPK-ID: 2004929
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05813264057055306 3.8633e-08  
a 2.210297915190468 5.6599e-09 au
q 2.081807460932858 8.6071e-08 au
i 2.487205120681885 3.0298e-06 deg
node 127.4826061057346 8.8573e-05 deg
peri 89.78924833989393 9.257e-05 deg
M 347.853041449553 2.6426e-05 deg
tp 2459040.998570756287
(2020-Jul-10.49857076)
8.8083e-05 TDB
period 1200.258106728038
3.29
4.6102e-06
1.262e-08
d
yr
n .2999354871939816 1.1521e-09 deg/d
Q 2.338788369448078 5.9889e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2394  
   data-arc span      25724 days (70.43 yr)  
   first obs. used      1949-11-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46564  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:14:06  

Additional Information
 Earth MOID = 1.07578 au 
 Jupiter MOID = 2.62466 au 
 T_jup = 3.654 
[ 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 13.8   n/a MPO452235  
diameter diameter 3.952 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.409   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4929 Yamatai (1982 XV)          Discovered 1982-Dec-13 by Kosai and Hurukawa at Kiso
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 XV = 1964 FJ = 1984 HK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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