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442636 (2012 TF45)
Classification: Main-belt Asteroid          SPK-ID: 2442636
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08040161921194841 6.971e-08  
a 2.305573241136065 2.3567e-08 au
q 2.120201419336985 1.6234e-07 au
i 6.188712648326685 6.0453e-06 deg
node 260.7390020117583 5.5144e-05 deg
peri 308.7870014219897 6.3223e-05 deg
M 226.8284656661914 3.2537e-05 deg
tp 2459473.515872449025
(2021-Sep-16.01587245)
0.00011703 TDB
period 1278.694541844128
3.50
1.9606e-05
5.368e-08
d
yr
n .2815371366806723 4.3167e-09 deg/d
Q 2.490945062935144 2.5462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      4169 days (11.41 yr)  
   first obs. used      2008-05-30  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65733  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:01:13  

Additional Information
 Earth MOID = 1.1199 au 
 Jupiter MOID = 2.50026 au 
 T_jup = 3.576 
[ 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 17.4   n/a MPO450446  

442636 (2012 TF45)          Discovered 2012-Oct-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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