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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09233543005991948 2.9886e-08  
a 2.258638885893937 7.7251e-09 au
q 2.050086493014863 6.7641e-08 au
i 4.277858779332567 3.3716e-06 deg
node 128.2490780055576 4.8151e-05 deg
peri 114.8812411159394 5.2083e-05 deg
M 269.56116228388 2.0758e-05 deg
tp 2459311.973497683400
(2021-Apr-07.47349768)
7.1861e-05 TDB
period 1239.848520809083
3.39
6.3609e-06
1.742e-08
d
yr
n .2903580509698686 1.4897e-09 deg/d
Q 2.467191278773011 8.4384e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1698  
   data-arc span      10467 days (28.66 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:25:24  

Additional Information
 Earth MOID = 1.04125 au 
 Jupiter MOID = 2.53911 au 
 T_jup = 3.612 
[ 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 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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