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JPL Small-Body Database Browser
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27157 (1998 YK27)
Classification: Main-belt Asteroid          SPK-ID: 2027157
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131105439889701 3.926e-08  
a 3.151221094878161 2.024e-08 au
q 2.794784762606974 1.2313e-07 au
i 4.455657104921468 4.4185e-06 deg
node 219.9201761733426 4.9514e-05 deg
peri 341.4630071077505 5.2586e-05 deg
M 223.3089129604445 1.9482e-05 deg
tp 2459776.308325651591
(2022-Jul-15.80832565)
0.00011353 TDB
period 2043.227567235249
5.59
1.9685e-05
5.389e-08
d
yr
n .1761918279553787 1.6975e-09 deg/d
Q 3.507657427149348 2.2529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1584  
   data-arc span      8126 days (22.25 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:58:06  

Additional Information
 Earth MOID = 1.79213 au 
 Jupiter MOID = 1.46277 au 
 T_jup = 3.193 
[ 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 13.7   n/a MPO502360  
diameter diameter 7.886 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27157 (1998 YK27)          Discovered 1998-Dec-25 by Korlevic, K. at Visnjan
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YK27 = 2000 GY65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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