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 ]  
5546 Salavat (1979 YS)
Classification: Main-belt Asteroid          SPK-ID: 2005546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144246174298607 2.3405e-08  
a 2.621471274794412 1.1732e-08 au
q 2.321510427072692 6.0428e-08 au
i 12.19313032961065 9.1858e-07 deg
node 287.1831022719147 2.6392e-06 deg
peri 241.9908542174185 1.003e-05 deg
M 178.3508214872553 1.1365e-05 deg
tp 2458432.451412160725
(2018-Nov-09.95141216)
4.6465e-05 TDB
period 1550.3011946704
4.24
1.0407e-05
2.849e-08
d
yr
n .2322129410966089 1.5589e-09 deg/d
Q 2.921432122516131 1.3074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2897  
   data-arc span      16389 days (44.87 yr)  
   first obs. used      1976-03-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:40:31  

Additional Information
 Earth MOID = 1.35744 au 
 Jupiter MOID = 2.19565 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457484.5 (2016-Apr-06.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126847883211243 2.3393e-08  
q 2.327154215405704 6.0385e-08 au
tp 2456878.238932507184
(2014-Aug-08.73893251)
4.38e-05 TDB
node 287.2266817374478 2.6401e-06 deg
peri 241.5593739819959 1.0208e-05 deg
i 12.18821469694015 9.1913e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2897  
   data-arc span      16389 days (44.87 yr)  
   first obs. used      1976-03-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:40:31  

Additional Information
 Jupiter MOID = 2.19565 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.472150651912696E-16 -1.392317356011917E-15 2.853513932196731E-13 1.491136121890892E-15 1.297705723829816E-14 -2.030722093549085E-15
q -1.392317356011917E-15 3.646367409799658E-15 -6.389617168553789E-13 -3.579868644347255E-15 -6.942203295164523E-15 5.004052821473173E-15
tp 2.853513932196731E-13 -6.389617168553789E-13 1.918402827509529E-9 2.731038821308955E-11 4.177016603002325E-10 -1.20499676614262E-11
node 1.491136121890892E-15 -3.579868644347255E-15 2.731038821308955E-11 6.970256769869533E-12 -9.252410558112669E-13 -2.168896581511446E-12
peri 1.297705723829816E-14 -6.942203295164523E-15 4.177016603002325E-10 -9.252410558112669E-13 1.041974717338551E-10 -4.743291932984536E-13
i -2.030722093549085E-15 5.004052821473173E-15 -1.20499676614262E-11 -2.168896581511446E-12 -4.743291932984536E-13 8.448049146654035E-13

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 12.65   n/a E2021B10  
diameter diameter 8.390 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.28235 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 0.302   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5546 Salavat (1979 YS)          Discovered 1979-Dec-18 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2128-Oct-18 20:24 00:02 Hebe 0.0388094090903618 0.0388034686374492 0.0388153578496623 10.2336426693441 10.2336426536914 2498587.349877634 1.88177222011011 950.527174005246 39.1142300368796 71.9790885562359 141147.254086192 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 17:41:24 2021-Apr-12 17:41

Alternate Designations
 1979 YS = 1976 EE = 1990 OO4 = 1991 RK29 
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-19 01:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin