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JPL Small-Body Database Browser
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56008 (1998 TL20)
Classification: Main-belt Asteroid          SPK-ID: 2056008
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041220681090562 5.9069e-08  
a 2.239105111279414 1.167e-08 au
q 2.005964856379443 1.3618e-07 au
i 6.475378560568378 8.6722e-06 deg
node 28.02251572745255 4.6458e-05 deg
peri 62.38102639315418 6.3253e-05 deg
M 355.3705710416515 4.1222e-05 deg
tp 2458616.237475682562
(2019-May-12.73747568)
0.00014015 TDB
period 1223.799154646393
3.35
9.5677e-06
2.619e-08
d
yr
n .2941659165502685 2.2998e-09 deg/d
Q 2.472245366179385 1.2885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      1998-10-13  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58402  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:22:57  

Additional Information
 Earth MOID = 1.0316 au 
 Jupiter MOID = 2.68733 au 
 T_jup = 3.620 
[ 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 16.5   n/a MPO412547  

56008 (1998 TL20)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TL20 = 2000 GM78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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