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442664 (2012 TS227)
Classification: Main-belt Asteroid          SPK-ID: 2442664
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568539641574402 1.4046e-07  
a 2.168589899998574 3.9304e-08 au
q 1.828437977552011 3.3109e-07 au
i .7674134119320916 7.6575e-06 deg
node 111.3606824067782 0.0006015 deg
peri 258.6150802272932 0.00060593 deg
M 149.5776592206681 7.3363e-05 deg
tp 2458515.849344135873
(2019-Feb-01.34934414)
0.00022586 TDB
period 1166.445824999096
3.19
3.1712e-05
8.682e-08
d
yr
n .3086298499977733 8.3906e-09 deg/d
Q 2.508741822445137 4.5469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      4780 days (13.09 yr)  
   first obs. used      2006-12-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:25  

Additional Information
 Earth MOID = .828057 au 
 Jupiter MOID = 2.95352 au 
 T_jup = 3.674 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457226.5 (2015-Jul-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571790614708964 1.4197e-07  
q 1.827881463914359 3.3489e-07 au
tp 2457347.936488255378
(2015-Nov-21.43648826)
0.00019625 TDB
node 111.3029439300483 0.00060228 deg
peri 258.3561057649167 0.00060664 deg
i .7674125933666763 7.6512e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      4780 days (13.09 yr)  
   first obs. used      2006-12-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:25  

Additional Information
 Jupiter MOID = 2.95352 au 
 T_jup = 3.674 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.015425590013956E-14 -4.745090271299043E-14 -2.415322388268371E-11 1.26270078214648E-13 -8.879752416285456E-12 -1.712243274358187E-14
q -4.745090271299043E-14 1.121487144432637E-13 5.806458067630686E-11 -3.120140849377057E-13 2.132711138745378E-11 4.049399202404766E-14
tp -2.415322388268371E-11 5.806458067630686E-11 3.851589700658932E-8 -3.212122952319496E-10 1.429883562552908E-8 2.038636679993817E-11
node 1.26270078214648E-13 -3.120140849377057E-13 -3.212122952319496E-10 3.62742863130035E-7 -3.628283525288886E-7 2.136820178678065E-9
peri -8.879752416285456E-12 2.132711138745378E-11 1.429883562552908E-8 -3.628283525288886E-7 3.680149297482447E-7 -2.129272121809735E-9
i -1.712243274358187E-14 4.049399202404766E-14 2.038636679993817E-11 2.136820178678065E-9 -2.129272121809735E-9 5.854025934204624E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.5   n/a MPO413511  

442664 (2012 TS227)          Discovered 2006-Dec-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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