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109918 (2001 SY27)
Classification: Main-belt Asteroid          SPK-ID: 2109918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166157111205476 4.0165e-08  
a 3.108075047967477 2.4735e-08 au
q 2.74562466603272 1.214e-07 au
i 17.72743528368004 5.4799e-06 deg
node 180.0963588393093 1.5067e-05 deg
peri 97.09414829282328 2.9257e-05 deg
M 225.3866801349348 2.429e-05 deg
tp 2459748.878334706898
(2022-Jun-18.37833471)
0.0001367 TDB
period 2001.408187277031
5.48
2.3892e-05
6.541e-08
d
yr
n .1798733523168952 2.1473e-09 deg/d
Q 3.470525429902235 2.762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      8938 days (24.47 yr)  
   first obs. used      1995-07-19  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:35:29  

Additional Information
 Earth MOID = 1.80182 au 
 Jupiter MOID = 1.82788 au 
 T_jup = 3.136 
[ 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 15.0   n/a MPO240943  
diameter diameter 6.394 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109918 (2001 SY27)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 SY27 = 1995 OC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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