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 ]  
14988 Tryggvason (1997 UA7)
Classification: Main-belt Asteroid          SPK-ID: 2014988
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .343134838042591 6.57e-08  
a 3.00998164020793 1.0661e-08 au
q 1.977152077584009 1.9534e-07 au
i 8.423989631166872 4.9555e-06 deg
node 52.1454104260913 3.1448e-05 deg
peri 319.2188721422496 3.1843e-05 deg
M 125.0140184556088 6.1949e-06 deg
tp 2458338.130370414134
(2018-Aug-07.63037041)
3.1306e-05 TDB
period 1907.410621598282
5.22
1.0133e-05
2.774e-08
d
yr
n .1887375460341854 1.0027e-09 deg/d
Q 4.042811202831849 1.4319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      33105 days (90.64 yr)  
   first obs. used      1929-09-29  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:30  

Additional Information
 Earth MOID = .98684 au 
 Jupiter MOID = 1.45745 au 
 T_jup = 3.142 
[ 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 13.5   n/a MPO458964  
diameter diameter 13.665 km 0.387 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14988 Tryggvason           Discovered 1997 Oct. 25 by Spacewatch at Kitt Peak.
Bjarni Tryggvason (b. 1945), born in Iceland and raised in Canada, flew on space shuttle mission STS-85. His expertise relates to stable microgravity platforms.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

[ show close-approach data ]
Alternate Designations
 1997 UA7 = 1929 SE = 1971 UB3 = 1999 CA59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-01 09:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin