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442669 (2012 TS285)
Classification: Main-belt Asteroid          SPK-ID: 2442669
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091436279046544 4.5158e-08  
a 2.299702866493412 1.4896e-08 au
q 2.048704952541588 1.0499e-07 au
i 6.654314060412483 5.9393e-06 deg
node 204.5974105684069 4.7735e-05 deg
peri 146.1469425259622 5.848e-05 deg
M 105.0018859251159 3.292e-05 deg
tp 2458628.964244457016
(2019-May-25.46424446)
0.00011541 TDB
period 1273.813996930137
3.49
1.2377e-05
3.389e-08
d
yr
n .2826158299936976 2.746e-09 deg/d
Q 2.550700780445237 1.6522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      1998-10-12  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58186  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:11:27  

Additional Information
 Earth MOID = 1.04733 au 
 Jupiter MOID = 2.83921 au 
 T_jup = 3.575 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457475.5 (2016-Mar-28.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100654594994133 4.5299e-08  
q 2.046243010220357 1.0541e-07 au
tp 2457354.281579669617
(2015-Nov-27.78157967)
0.00011089 TDB
node 204.614894369964 4.7709e-05 deg
peri 145.8552011684483 5.8221e-05 deg
i 6.655963332150749 5.9407e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      1998-10-12  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58186  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:11:27  

Additional Information
 Jupiter MOID = 2.83921 au 
 T_jup = 3.575 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.052032484293657E-15 -4.736895889469776E-15 2.39054798073194E-13 -1.40908203266986E-14 4.069470431735109E-14 -3.814355691564234E-15
q -4.736895889469776E-15 1.111044634513169E-14 -2.764149466295832E-13 3.376183943260798E-14 -8.661094906749617E-15 9.623269892210703E-15
tp 2.39054798073194E-13 -2.764149466295832E-13 1.229616083698438E-8 3.857517562553398E-11 3.726813867685962E-9 9.186262214353697E-12
node -1.40908203266986E-14 3.376183943260798E-14 3.857517562553398E-11 2.276167975069051E-9 -2.247713991156741E-9 6.900287903181493E-11
peri 4.069470431735109E-14 -8.661094906749617E-15 3.726813867685962E-9 -2.247713991156741E-9 3.389662427127187E-9 -6.554235716199597E-11
i -3.814355691564234E-15 9.623269892210703E-15 9.186262214353697E-12 6.900287903181493E-11 -6.554235716199597E-11 3.529206132816525E-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 18.0   n/a MPO503572  

442669 (2012 TS285)          Discovered 2005-Oct-01 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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