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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888294947193745 1.0611e-08  
a 2.289733104061057 8.2455e-09 au
q 1.857363958978983 2.3408e-08 au
i 22.40515524510296 1.0176e-06 deg
node 137.748030237308 2.9241e-06 deg
peri 303.7993142331778 7.0208e-06 deg
M 272.1176309756083 7.2812e-06 deg
tp 2459705.440593302142
(2022-May-05.94059330)
2.6642e-05 TDB
period 1265.539548187447
3.46
6.836e-06
1.872e-08
d
yr
n .2844636507137256 1.5366e-09 deg/d
Q 2.722102249143131 9.8025e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2001  
   data-arc span      16345 days (44.75 yr)  
   first obs. used      1976-09-25  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4058  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 21:56:25  

Additional Information
 Earth MOID = .942014 au 
 Jupiter MOID = 2.55789 au 
 T_jup = 3.477 
[ 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 13.36   n/a E2021B10  
diameter diameter 5.249 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.80289 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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