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JPL Small-Body Database Browser
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173120 (1990 TL9)
Classification: Main-belt Asteroid          SPK-ID: 2173120
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2901769924376797 5.8421e-08  
a 2.581147422305283 1.8349e-08 au
q 1.832157826262466 1.5738e-07 au
i 2.763686849075545 5.2373e-06 deg
node 254.07236050475 9.5843e-05 deg
peri 105.1510160043471 9.6597e-05 deg
M 330.3986942783624 8.548e-06 deg
tp 2458725.044917535692
(2019-Aug-29.54491754)
3.5206e-05 TDB
period 1514.668668148495
4.15
1.6151e-05
4.422e-08
d
yr
n .2376757422730991 2.5344e-09 deg/d
Q 3.3301370183481 2.3673e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      10664 days (29.20 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46618  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:33:03  

Additional Information
 Earth MOID = .83029 au 
 Jupiter MOID = 2.13951 au 
 T_jup = 3.362 
[ 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 16.1   n/a MPO449897  

173120 (1990 TL9)          Discovered 1990-Oct-10 by Borngen, F., Schmadel, L. D. at Tautenburg
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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