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27066 (1998 SZ64)
Classification: Main-belt Asteroid          SPK-ID: 2027066
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09233543107439068 3.0095e-08  
a 2.258638886174159 7.7711e-09 au
q 2.050086490977887 6.8025e-08 au
i 4.277858862017112 3.3738e-06 deg
node 128.249080423581 4.8703e-05 deg
peri 114.8812386759937 5.2624e-05 deg
M 269.5611621070391 2.0806e-05 deg
tp 2459311.973498350410
(2021-Apr-07.47349835)
7.2017e-05 TDB
period 1239.848521039819
3.39
6.3987e-06
1.752e-08
d
yr
n .2903580509158329 1.4985e-09 deg/d
Q 2.467191281370432 8.4886e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1667  
   data-arc span      10365 days (28.38 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:32  

Additional Information
 Earth MOID = 1.04125 au 
 Jupiter MOID = 2.53911 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456826.5 (2014-Jun-18.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0924770653463823 3.0025e-08  
q 2.04960771742834 6.7873e-08 au
tp 2456832.960246699207
(2014-Jun-24.46024670)
7.019e-05 TDB
node 128.2853713906361 4.8701e-05 deg
peri 115.0403922126222 5.2629e-05 deg
i 4.27794251138115 3.3743e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1667  
   data-arc span      10365 days (28.38 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:32  

Additional Information
 Jupiter MOID = 2.53911 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.015030600780655E-16 -2.026962550682903E-15 -3.260070619889126E-13 -1.24688019408143E-17 -9.317113549494327E-14 -5.197011128945766E-17
q -2.026962550682903E-15 4.606735607019199E-15 7.62220990875768E-13 -1.174944839874071E-16 2.1758322930823E-13 1.994703532857478E-16
tp -3.260070619889126E-13 7.62220990875768E-13 4.926592964710459E-9 8.863827406091523E-12 1.413761396329323E-9 9.224688401618682E-13
node -1.24688019408143E-17 -1.174944839874071E-16 8.863827406091523E-12 2.371799757276913E-9 -2.362191520338336E-9 2.241449963243418E-11
peri -9.317113549494327E-14 2.1758322930823E-13 1.413761396329323E-9 -2.362191520338336E-9 2.76983217642515E-9 -2.210064734951326E-11
i -5.197011128945766E-17 1.994703532857478E-16 9.224688401618682E-13 2.241449963243418E-11 -2.210064734951326E-11 1.138569411322101E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO347724  
diameter diameter 3.891 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27066 (1998 SZ64)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SZ64 = 1991 SX4 = 1997 GY44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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