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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153303138703411 4.3308e-08  
a 2.314353741944185 8.3354e-09 au
q 1.816003224284345 1.0231e-07 au
i 4.711106144251916 4.1793e-06 deg
node 234.0747852682903 4.5309e-05 deg
peri 121.569032475505 4.6037e-05 deg
M 329.2039023978047 1.1145e-05 deg
tp 2459110.511028234318
(2020-Sep-18.01102823)
4.0229e-05 TDB
period 1286.006125708973
3.52
6.9475e-06
1.902e-08
d
yr
n .2799364581576411 1.5123e-09 deg/d
Q 2.812704259604025 1.013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1710  
   data-arc span      24340 days (66.64 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:34:27  

Additional Information
 Earth MOID = .817247 au 
 Jupiter MOID = 2.65688 au 
 T_jup = 3.546 
[ 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 14.0   n/a MPO279583  
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. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2029-Dec-04 22:17 < 00:01 Amphi 0.0317510220716662 0.0317502411488936 0.031751803025634 4.21568435285565 4.21568430990722 2462475.428309116 0.400868983782765 86.6434943084039 29.8811016022606 -72.1362437282523 152154.662546269 T 29 CATAB v2.0f-lin.ifort 2020-May-20 02:34:35 2020-May-20 02:34
2141-Aug-01 14:15 00:01 Eunom 0.0419893522701434 0.0419870135267054 0.0419916928053356 3.27224778745122 3.27224768528472 2503257.093579944 1.34622165237015 452.957803692543 18.9761084698444 75.2847869006987 319687.063383516 T 29 CATAB v2.0f-lin.ifort 2020-May-20 02:34:35 2020-May-20 02:34

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