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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05825626170424025 1.0456e-08  
a 2.210661836404785 5.2394e-09 au
q 2.081876941923611 2.4962e-08 au
i 2.487281308062144 4.5968e-07 deg
node 127.4808609756235 1.4522e-05 deg
peri 89.9313474597908 1.9763e-05 deg
M 47.70160148337735 1.46e-05 deg
tp 2459041.421181493779
(2020-Jul-10.92118149)
4.8635e-05 TDB
period 1200.554549142253
3.29
4.2681e-06
1.169e-08
d
yr
n .2998614267524998 1.066e-09 deg/d
Q 2.339446730885958 5.5446e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2637  
   data-arc span      25831 days (70.72 yr)  
   first obs. used      1949-11-23  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:57:11  

Additional Information
 Earth MOID = 1.07468 au 
 Jupiter MOID = 2.62298 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 13.82   n/a E2021B10  
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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