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 ]  
2797 Teucer (1981 LK)
Classification: Jupiter Trojan          SPK-ID: 2002797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08762970473416712 4.3039e-08  
a 5.106851797738821 6.2945e-08 au
q 4.659339882581818 2.4546e-07 au
i 22.38958928439727 4.8889e-06 deg
node 69.93033386941542 1.1431e-05 deg
peri 48.44014615773573 3.1199e-05 deg
M 242.9614936019486 3.0321e-05 deg
tp 2460370.922811124780
(2024-Mar-01.42281112)
0.00036432 TDB
period 4215.298256857581
11.54
7.7934e-05
2.134e-07
d
yr
n .08540320946788062 1.579e-09 deg/d
Q 5.554363712895825 6.8461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1874  
   data-arc span      29073 days (79.60 yr)  
   first obs. used      1940-12-28  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:56:42  

Additional Information
 Earth MOID = 3.7165 au 
 Jupiter MOID = .0228503 au 
 T_jup = 2.844 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.7   n/a MPO421657  
diameter diameter 89.430 km 0.755 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 10.145 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[French, L.M.; Stephens, R.D.; Lederer, S.M.; Coley, D.R.; Rohl, D.A. (2011) Minor Planet Bull. 38, 116-120.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2014) Minor Planet Bull. 41, 210-212.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 15-22.]
geometric albedo albedo 0.073   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

2797 Teucer (1981 LK)          Discovered 1981-Jun-04 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 LK = 1940 YG = 1975 VA1 = 1975 XQ2 = 1978 EQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 05:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin