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190311 (1997 TM2)
Classification: Jupiter Trojan          SPK-ID: 2190311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09040233843281789 5.6211e-08  
a 5.22204149022512 1.4119e-07 au
q 4.749956728115572 3.4074e-07 au
i 4.19100705809659 8.5628e-06 deg
node 349.5252031715514 5.4621e-05 deg
peri 122.4529758364421 7.329e-05 deg
M 261.0300507885951 5.2266e-05 deg
tp 2460398.783972747792
(2024-Mar-29.28397275)
0.00066669 TDB
period 4358.719324668446
11.93
0.00017677
4.84e-07
d
yr
n .08259306763859682 3.3497e-09 deg/d
Q 5.694126252334668 1.5395e-07 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      8864 days (24.27 yr)  
   first obs. used      1996-09-08  
   last obs. used      2020-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49618  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:02:35  

Additional Information
 Earth MOID = 3.76877 au 
 Jupiter MOID = .378573 au 
 T_jup = 2.986 
[ 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 12.82   n/a E2021B55  
diameter diameter 14.485 km 0.996 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.064   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

190311 (1997 TM2)          Discovered 1997-Oct-03 by ODAS at Caussols
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 1997 TM2 = 1996 RH31 = 2002 EE48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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