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JPL Small-Body Database Browser
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85194 (1991 TL2)
Classification: Main-belt Asteroid          SPK-ID: 2085194
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .328040316906104 5.3416e-08  
a 2.737074589285267 1.0598e-08 au
q 1.839203773620484 1.4778e-07 au
i 14.7278921933387 4.9547e-06 deg
node 275.2052958533533 1.7441e-05 deg
peri 53.42343790690084 1.8237e-05 deg
M 52.15575384530533 4.5984e-06 deg
tp 2458360.877220108681
(2018-Aug-30.37722011)
2.091e-05 TDB
period 1653.972848647449
4.53
9.6065e-06
2.63e-08
d
yr
n .2176577446808714 1.2642e-09 deg/d
Q 3.634945404950051 1.4075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      10247 days (28.05 yr)  
   first obs. used      1991-10-04  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:09:24  

Additional Information
 Earth MOID = .865994 au 
 Jupiter MOID = 1.88364 au 
 T_jup = 3.226 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO449529  

85194 (1991 TL2)          Discovered 1991-Oct-05 by Shoemaker, C. S. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1991 TL2 = 2000 RO97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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