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2745 San Martin (1976 SR10)
Classification: Main-belt Asteroid          SPK-ID: 2002745
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899625349229961 4.1327e-08  
a 2.288526088983594 9.0872e-09 au
q 1.853791871882861 9.2837e-08 au
i 22.3985264865967 4.2398e-06 deg
node 137.7620895646685 1.2421e-05 deg
peri 303.7249080877692 1.6955e-05 deg
M 159.5850917132557 1.2762e-05 deg
tp 2458439.940076523385
(2018-Nov-17.44007652)
4.3686e-05 TDB
period 1264.53900101258
3.46
7.5317e-06
2.062e-08
d
yr
n .2846887282335539 1.6956e-09 deg/d
Q 2.723260306084328 1.0813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1521  
   data-arc span      15921 days (43.59 yr)  
   first obs. used      1976-09-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:44:26  

Additional Information
 Earth MOID = .938464 au 
 Jupiter MOID = 2.55848 au 
 T_jup = 3.478 
[ 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 13.3   n/a MPO365278  
diameter diameter 5.249 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2745 San Martin (1976 SR10)          Discovered 1976-Sep-25 by Felix Aguilar Observatory at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1976 SR10 = 1980 XG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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