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3026 Sarastro (1977 TA1)
Classification: Main-belt Asteroid          SPK-ID: 2003026
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02125994927900002 3.9055e-08  
a 3.029084262369961 1.5356e-08 au
q 2.964686084590158 1.1722e-07 au
i 9.653679982761908 5.2686e-06 deg
node 215.8112615575099 2.1499e-05 deg
peri 109.8838624726714 0.00011619 deg
M 10.84098551068354 0.00011356 deg
tp 2458542.512855638294
(2019-Feb-28.01285564)
0.00060748 TDB
period 1925.597257707072
5.27
1.4643e-05
4.009e-08
d
yr
n .18695498166043 1.4217e-09 deg/d
Q 3.093482440149764 1.5683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2359  
   data-arc span      21225 days (58.11 yr)  
   first obs. used      1961-10-17  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44379  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:43:21  

Additional Information
 Earth MOID = 1.97126 au 
 Jupiter MOID = 1.96887 au 
 T_jup = 3.222 
[ 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 11.6   n/a MPO332846  
diameter diameter 16.211 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.74 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]
geometric albedo albedo 0.154   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3026 Sarastro (1977 TA1)          Discovered 1977-Oct-12 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 TA1 = 1961 UE = 1969 DB = 1971 OM1 = 1975 HA = 1982 RQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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