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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3282577529269946 5.2915e-08  
a 2.737325669289153 1.0581e-08 au
q 1.838777296058914 1.4635e-07 au
i 14.72813082296242 4.9454e-06 deg
node 275.2048510993123 1.7072e-05 deg
peri 53.44377564528844 1.7875e-05 deg
M 139.159990233549 4.705e-06 deg
tp 2458361.059674927788
(2018-Aug-30.55967493)
2.0817e-05 TDB
period 1654.200439649783
4.53
9.591e-06
2.626e-08
d
yr
n .2176277985249581 1.2618e-09 deg/d
Q 3.635874042519391 1.4054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      10348 days (28.33 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:28:17  

Additional Information
 Earth MOID = .866426 au 
 Jupiter MOID = 1.88591 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 14.5   n/a MPO493473  

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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