Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515703931053629 2.1566e-08  
a 3.173183448813489 1.2706e-08 au
q 2.692222786081397 6.7812e-08 au
i 2.093621334144534 9.8058e-07 deg
node 135.5991921292349 3.1374e-05 deg
peri 165.6527032068897 3.2814e-05 deg
M 102.5277766238364 7.5579e-06 deg
tp 2458612.496059936866
(2019-May-08.99605994)
4.1792e-05 TDB
period 2064.625074231006
5.65
1.2401e-05
3.395e-08
d
yr
n .1743657986591518 1.0473e-09 deg/d
Q 3.654144111545581 1.4632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3259  
   data-arc span      24954 days (68.32 yr)  
   first obs. used      1952-11-16  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:27:47  

Additional Information
 Earth MOID = 1.6748 au 
 Jupiter MOID = 1.57292 au 
 T_jup = 3.183 
[ 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 12.08   n/a E2021B10  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 15:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin