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JPL Small-Body Database Browser
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2918 Salazar (1980 TU4)
Classification: Main-belt Asteroid          SPK-ID: 2002918
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1519707245019658 3.7074e-08  
a 3.173159221645737 1.4652e-08 au
q 2.69093191577214 1.1717e-07 au
i 2.093492077724364 4.4196e-06 deg
node 135.6038038585482 0.00010342 deg
peri 165.4937317263224 0.00010428 deg
M 358.0039064431146 1.2971e-05 deg
tp 2458611.947604473469
(2019-May-08.44760447)
7.4391e-05 TDB
period 2064.601429243243
5.65
1.43e-05
3.915e-08
d
yr
n .1743677955952758 1.2077e-09 deg/d
Q 3.655386527519333 1.6878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2693  
   data-arc span      24483 days (67.03 yr)  
   first obs. used      1952-11-16  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47522  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:41:53  

Additional Information
 Earth MOID = 1.67473 au 
 Jupiter MOID = 1.5699 au 
 T_jup = 3.182 
[ 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 12.0   n/a MPO448942  
diameter diameter 20.156 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2918 Salazar (1980 TU4)          Discovered 1980-Oct-09 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 TU4 = 1952 WA = 1968 OW = 1974 QQ3 = 1978 GX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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