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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02141869023549721 3.8794e-08  
a 3.030129884492862 1.4968e-08 au
q 2.965228471123586 1.1603e-07 au
i 9.652304796379871 5.198e-06 deg
node 215.8131269658852 2.0467e-05 deg
peri 110.7859855106527 0.00011209 deg
M 84.71113845703518 0.00010953 deg
tp 2458547.155541501760
(2019-Mar-04.65554150)
0.00058653 TDB
period 1926.594401067364
5.27
1.4275e-05
3.908e-08
d
yr
n .1868582197688077 1.3845e-09 deg/d
Q 3.095031297862137 1.5288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2585  
   data-arc span      21556 days (59.02 yr)  
   first obs. used      1961-10-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:03:51  

Additional Information
 Earth MOID = 1.97263 au 
 Jupiter MOID = 1.96833 au 
 T_jup = 3.221 
[ 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-August); 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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