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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3436450487896927 6.2922e-08  
a 3.008852033279444 1.0461e-08 au
q 1.974874929502163 1.8724e-07 au
i 8.426196458653411 4.7914e-06 deg
node 52.12721281736345 2.974e-05 deg
peri 319.233330238784 2.9998e-05 deg
M 199.7644268342632 6.3282e-06 deg
tp 2460245.008330784903
(2023-Oct-27.50833078)
3.6154e-05 TDB
period 1906.336982778568
5.22
9.9414e-06
2.722e-08
d
yr
n .1888438420133279 9.8481e-10 deg/d
Q 4.042829137056724 1.4055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1526  
   data-arc span      33490 days (91.69 yr)  
   first obs. used      1929-09-29  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:22:41  

Additional Information
 Earth MOID = .983795 au 
 Jupiter MOID = 1.45937 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 13.56   n/a MPCxxxxx  
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 2021-Jul-29 17:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin