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JPL Small-Body Database Browser
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66081 (1998 RY56)
Classification: Main-belt Asteroid          SPK-ID: 2066081
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2547230664134835 3.8922e-08  
a 3.055196329560966 1.4853e-08 au
q 2.276967351999977 1.2171e-07 au
i 2.102660479667489 3.4909e-06 deg
node 223.2539222257789 0.00012846 deg
peri 81.44950793298574 0.00012879 deg
M 58.05429715616184 7.0742e-06 deg
tp 2458685.950511648403
(2019-Jul-21.45051165)
3.8703e-05 TDB
period 1950.550111768188
5.34
1.4224e-05
3.894e-08
d
yr
n .1845633177163838 1.3459e-09 deg/d
Q 3.833425307121955 1.8636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      10493 days (28.73 yr)  
   first obs. used      1991-03-15  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53261  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:58:05  

Additional Information
 Earth MOID = 1.26303 au 
 Jupiter MOID = 1.44346 au 
 T_jup = 3.184 
[ 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 14.6   n/a MPO493332  
diameter diameter 7.092 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66081 (1998 RY56)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RY56 = 2002 GZ98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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