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27081 (1998 TK16)
Classification: Main-belt Asteroid          SPK-ID: 2027081
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08245285543974408 4.0948e-08  
a 2.369311502957177 1.0689e-08 au
q 2.173955004112126 9.6489e-08 au
i 7.104707189946142 4.3276e-06 deg
node 148.0230016418293 3.6756e-05 deg
peri 303.8250856033211 4.6698e-05 deg
M 283.6443528887455 3.0505e-05 deg
tp 2459283.033749239506
(2021-Mar-09.53374924)
0.00011341 TDB
period 1332.084182038586
3.65
9.0144e-06
2.468e-08
d
yr
n .270253190341969 1.8288e-09 deg/d
Q 2.564668001802228 1.157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      14757 days (40.40 yr)  
   first obs. used      1979-06-23  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:49  

Additional Information
 Earth MOID = 1.19972 au 
 Jupiter MOID = 2.55394 au 
 T_jup = 3.531 
[ 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 15.0   n/a MPO337487  
diameter diameter 2.103 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.694   0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27081 (1998 TK16)          Discovered 1998-Oct-15 by Korlevic, K. at Visnjan
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TK16 = 1979 ME5 = 1979 OD10 = 1989 GA9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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