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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116522487207103 4.0709e-08  
a 3.108457922546515 2.5118e-08 au
q 2.746252674032771 1.2295e-07 au
i 17.7258974706631 5.7048e-06 deg
node 180.1158921346732 1.5275e-05 deg
peri 96.94189454008828 3.0368e-05 deg
M 153.6098649827723 2.5091e-05 deg
tp 2457746.353190615401
(2016-Dec-23.85319062)
0.00013897 TDB
period 2001.778020005041
5.48
2.4264e-05
6.643e-08
d
yr
n .1798401203341684 2.1798e-09 deg/d
Q 3.470663171060259 2.8045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      8591 days (23.52 yr)  
   first obs. used      1995-07-19  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57945  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:03:08  

Additional Information
 Earth MOID = 1.80196 au 
 Jupiter MOID = 1.82751 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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