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118287 (1998 RY66)
Classification: Main-belt Asteroid          SPK-ID: 2118287
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117782077240989 4.6251e-08  
a 2.1804519964354 9.227e-09 au
q 1.923633830970977 1.0342e-07 au
i 4.228174073885937 4.3346e-06 deg
node 281.8363053928836 7.446e-05 deg
peri 107.3817555484697 7.7987e-05 deg
M 247.1154070474751 2.4597e-05 deg
tp 2459369.265592239723
(2021-Jun-03.76559224)
8.1414e-05 TDB
period 1176.029515933431
3.22
7.4649e-06
2.044e-08
d
yr
n .3061147659327775 1.9431e-09 deg/d
Q 2.437270161899823 1.0314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      7550 days (20.67 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:00:27  

Additional Information
 Earth MOID = .933817 au 
 Jupiter MOID = 2.96362 au 
 T_jup = 3.669 
[ 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 16.1   n/a MPO320356  
diameter diameter 3.790 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118287 (1998 RY66)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 RY66 = 2001 QY96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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