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JPL Small-Body Database Browser
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52968 (1998 TL28)
Classification: Main-belt Asteroid          SPK-ID: 2052968
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0872279685956278 3.2876e-08  
a 2.297088924850157 9.2947e-09 au
q 2.096718524251964 7.7098e-08 au
i 2.432429828435148 4.4719e-06 deg
node 5.942509022276275 8.7945e-05 deg
peri 99.58502752019626 9.3037e-05 deg
M 11.05236211118993 2.8066e-05 deg
tp 2458961.459286750998
(2020-Apr-21.95928675)
9.9161e-05 TDB
period 1271.642806148316
3.48
7.7182e-06
2.113e-08
d
yr
n .2830983655625792 1.7183e-09 deg/d
Q 2.497459325448351 1.0106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      8782 days (24.04 yr)  
   first obs. used      1996-01-12  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:39:11  

Additional Information
 Earth MOID = 1.11518 au 
 Jupiter MOID = 2.58334 au 
 T_jup = 3.588 
[ 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 MPO502510  

52968 (1998 TL28)          Discovered 1998-Oct-15 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TL28 = 2000 GD49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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