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JPL Small-Body Database Browser
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27560 (2000 JK81)
Classification: Main-belt Asteroid          SPK-ID: 2027560
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899831007962028 3.7808e-08  
a 3.085395286812859 1.7438e-08 au
q 2.499222323042163 1.1318e-07 au
i 8.190407202968402 3.9574e-06 deg
node 151.1279187309596 2.8427e-05 deg
peri 175.8648564852538 3.13e-05 deg
M 165.6216211288355 1.6161e-05 deg
tp 2458089.791950885175
(2017-Dec-02.29195089)
8.5171e-05 TDB
period 1979.54165311727
5.42
1.6782e-05
4.595e-08
d
yr
n .1818602803497933 1.5418e-09 deg/d
Q 3.671568250583555 2.0751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      10311 days (28.23 yr)  
   first obs. used      1991-11-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:06:14  

Additional Information
 Earth MOID = 1.48785 au 
 Jupiter MOID = 1.69617 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457079.5 (2015-Feb-26.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869879541242257 3.7239e-08  
q 2.515986199687848 1.1043e-07 au
tp 2456097.442055899381
(2012-Jun-18.94205590)
8.0241e-05 TDB
node 151.1674557693063 2.8402e-05 deg
peri 174.6961854103579 3.1374e-05 deg
i 8.181680755174835 3.9558e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      10311 days (28.23 yr)  
   first obs. used      1991-11-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:06:14  

Additional Information
 Jupiter MOID = 1.69617 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.386747754123519E-15 -4.079362113778778E-15 8.050860451620173E-13 -2.477188293480357E-15 1.290710026408415E-13 -1.025475996857984E-16
q -4.079362113778778E-15 1.219480089451721E-14 -2.128988490750076E-12 -1.894647189762025E-15 -3.186026062838132E-13 -4.325889863687214E-16
tp 8.050860451620173E-13 -2.128988490750076E-12 6.438587222098827E-9 -8.673786402680775E-12 1.086944843053304E-9 -2.862570975349308E-12
node -2.477188293480357E-15 -1.894647189762025E-15 -8.673786402680775E-12 8.066788704170446E-10 -8.011066676275944E-10 3.725941518796502E-12
peri 1.290710026408415E-13 -3.186026062838132E-13 1.086944843053304E-9 -8.011066676275944E-10 9.843349614506163E-10 -4.239809435265587E-12
i -1.025475996857984E-16 -4.325889863687214E-16 -2.862570975349308E-12 3.725941518796502E-12 -4.239809435265587E-12 1.564873142603664E-11

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 14.0   n/a MPO468053  
diameter diameter 5.254 km 1.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27560 (2000 JK81)          Discovered 2000-May-08 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 JK81 = 1991 VV15 = 1995 KX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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