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JPL Small-Body Database Browser
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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 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08762970671407264 4.4177e-08  
a 5.106851800887856 6.3437e-08 au
q 4.65933987534382 2.4932e-07 au
i 22.38959042183922 4.9972e-06 deg
node 69.93033365226384 1.1432e-05 deg
peri 48.44014609081455 3.1369e-05 deg
M 242.9614934896231 3.0362e-05 deg
tp 2460370.922813707582
(2024-Mar-01.42281371)		 0.00036463 TDB
period 4215.298260756495
11.54		 7.8543e-05
2.15e-07		 d
yr
n .08540320938888744 1.5913e-09 deg/d
Q 5.554363726431893 6.8996e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1768  
   data-arc span      28863 days (79.02 yr)  
   first obs. used      1940-12-28  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:44:49  

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 ]
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