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442676 (2012 TR308)
Classification: Main-belt Asteroid          SPK-ID: 2442676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206043308428184 5.5148e-08  
a 2.3037563525867 2.0003e-08 au
q 2.025913359258089 1.2403e-07 au
i 6.065235640841188 5.429e-06 deg
node 279.207223785845 5.1284e-05 deg
peri 16.66150032049391 5.8223e-05 deg
M 147.207299373332 2.5363e-05 deg
tp 2458478.248026101342
(2018-Dec-25.74802610)
8.8241e-05 TDB
period 1277.183342156856
3.50
1.6634e-05
4.554e-08
d
yr
n .2818702594351463 3.671e-09 deg/d
Q 2.581599345915311 2.2415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      5759 days (15.77 yr)  
   first obs. used      2004-04-13  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:43  

Additional Information
 Earth MOID = 1.01069 au 
 Jupiter MOID = 2.58398 au 
 T_jup = 3.572 
[ 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 17.1   n/a MPO434644  

442676 (2012 TR308)          Discovered 2005-Oct-23 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 TR308 = 2005 UL351 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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