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JPL Small-Body Database Browser
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1760 Sandra (1950 GB)
Classification: Main-belt Asteroid          SPK-ID: 2001760
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287159721453719 4.1865e-08  
a 3.145366561888014 1.4863e-08 au
q 2.740507647121053 1.3148e-07 au
i 8.443481315988517 4.1062e-06 deg
node 232.6076286830706 2.9004e-05 deg
peri 332.4374776080842 3.2033e-05 deg
M 112.6622674907924 1.4758e-05 deg
tp 2457962.851544347891
(2017-Jul-28.35154435)
8.2285e-05 TDB
period 2037.536161372928
5.58
1.4442e-05
3.954e-08
d
yr
n .1766839807924811 1.2524e-09 deg/d
Q 3.550225476654976 1.6776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2442  
   data-arc span      30779 days (84.27 yr)  
   first obs. used      1935-08-31  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:05:29  

Additional Information
 Earth MOID = 1.73946 au 
 Jupiter MOID = 1.45449 au 
 T_jup = 3.180 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.0   n/a MPO309159  
diameter diameter 34.765 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.5668 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.054   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1760 Sandra (1950 GB)          Discovered 1950-Apr-10 by Johnson, E. L. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1950 GB = 1934 NP = 1935 QH = 1950 HF = 1950 JM = 1951 OK = 1967 JC = 1968 OC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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