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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283720550874113 4.1835e-08  
a 3.146069430103724 1.4754e-08 au
q 2.742202031913628 1.3134e-07 au
i 8.442919605944757 4.0959e-06 deg
node 232.6116666949948 2.8931e-05 deg
peri 332.4067248663782 3.1961e-05 deg
M 183.3774551436733 1.4933e-05 deg
tp 2460000.487377857850
(2023-Feb-24.98737786)
8.7163e-05 TDB
period 2038.219165745027
5.58
1.4338e-05
3.926e-08
d
yr
n .1766247742393345 1.2425e-09 deg/d
Q 3.54993682829382 1.6648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2522  
   data-arc span      30838 days (84.43 yr)  
   first obs. used      1935-08-31  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:03:48  

Additional Information
 Earth MOID = 1.74092 au 
 Jupiter MOID = 1.45406 au 
 T_jup = 3.179 
[ 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-August); 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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