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6497 Yamasaki (1992 UR3)
Classification: Main-belt Asteroid          SPK-ID: 2006497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2151340658963751 1.2696e-08  
a 2.313774860274278 4.5873e-09 au
q 1.816003067014655 3.0213e-08 au
i 4.711218853444942 1.1347e-06 deg
node 234.0677794899341 9.5711e-06 deg
peri 121.6025640727003 1.0049e-05 deg
M 25.1831316417052 3.8628e-06 deg
tp 2459110.573579062477
(2020-Sep-18.07357906)
1.3734e-05 TDB
period 1285.523659174117
3.52
3.823e-06
1.047e-08
d
yr
n .2800415203803261 8.3282e-10 deg/d
Q 2.8115466535339 5.5742e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2483  
   data-arc span      24667 days (67.53 yr)  
   first obs. used      1953-09-06  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:56:13  

Additional Information
 Earth MOID = .815598 au 
 Jupiter MOID = 2.65883 au 
 T_jup = 3.547 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.09   n/a E2021B10  
diameter diameter 3.448 km 0.570 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 9.879 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pray, D.P.; Kusnirak, P.; Galad, A.; Vilagi, J.; et al. (2007) Minor Planet Bull. 34, 44-46.]
geometric albedo albedo 0.390   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

6497 Yamasaki (1992 UR3)          Discovered 1992-Oct-27 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1992 UR3 = 1978 WZ18 = 1980 FT5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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