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JPL Small-Body Database Browser
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312995 (1999 TA191)
Classification: Main-belt Asteroid          SPK-ID: 2312995
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349913160419956 5.625e-08  
a 3.061442000149539 3.767e-08 au
q 2.648173915563114 1.6853e-07 au
i 10.36811770235358 7.2005e-06 deg
node 337.3227626772861 3.042e-05 deg
peri 51.4994258324514 3.8918e-05 deg
M 239.9185732101452 2.4012e-05 deg
tp 2459253.120662260095
(2021-Feb-07.62066226)
0.00013346 TDB
period 1956.534367507063
5.36
3.6112e-05
9.887e-08
d
yr
n .1839988123790013 3.396e-09 deg/d
Q 3.474710084735965 4.2755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      1999-10-12  
   last obs. used      2018-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:35:15  

Additional Information
 Earth MOID = 1.66575 au 
 Jupiter MOID = 2.07886 au 
 T_jup = 3.195 
[ 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 15.5   n/a MPO434006  

312995 (1999 TA191)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

Alternate Designations
 1999 TA191 = 2004 PA97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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