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JPL Small-Body Database Browser
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441125 (2007 TJ78)
Classification: Main-belt Asteroid          SPK-ID: 2441125
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614186412276657 1.8932e-07  
a 2.616048823559145 6.0956e-08 au
q 2.193769777074994 5.386e-07 au
i 3.517395680479348 8.7022e-06 deg
node 357.3227567400219 0.00012976 deg
peri 19.02670304731086 0.00013518 deg
M 274.4810811926744 4.7607e-05 deg
tp 2458967.635935138393
(2020-Apr-28.13593514)
0.00021444 TDB
period 1545.49354099762
4.23
5.4017e-05
1.479e-07
d
yr
n .2329352989515692 8.1413e-09 deg/d
Q 3.038327870043295 7.0795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4289 days (11.74 yr)  
   first obs. used      2007-10-05  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:41:43  

Additional Information
 Earth MOID = 1.1946 au 
 Jupiter MOID = 2.42719 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457148.5 (2015-May-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636414426343198 1.9031e-07  
q 2.186420865558405 5.4178e-07 au
tp 2457421.572401223024
(2016-Feb-03.07240122)
0.00017056 TDB
node 357.4803580462852 0.00012936 deg
peri 18.65322412112106 0.00013457 deg
i 3.525943872394693 8.7128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4289 days (11.74 yr)  
   first obs. used      2007-10-05  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:41:43  

Additional Information
 Jupiter MOID = 2.42719 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.62162504920532E-14 -1.029677861102037E-13 -1.843206142060389E-11 -2.232809482456851E-13 -1.510674018276067E-12 -5.749377309091167E-14
q -1.029677861102037E-13 2.935271527776046E-13 5.416667956013716E-11 6.423963803673218E-13 4.714652468422273E-12 1.663382997808993E-13
tp -1.843206142060389E-11 5.416667956013716E-11 2.909140293598581E-8 2.304486694572888E-10 5.92660891972948E-9 5.390680256659493E-11
node -2.232809482456851E-13 6.423963803673218E-13 2.304486694572888E-10 1.6733016777372E-8 -1.665744966248094E-8 -4.436114128800421E-10
peri -1.510674018276067E-12 4.714652468422273E-12 5.92660891972948E-9 -1.665744966248094E-8 1.811013394264327E-8 4.522209035958755E-10
i -5.749377309091167E-14 1.663382997808993E-13 5.390680256659493E-11 -4.436114128800421E-10 4.522209035958755E-10 7.59123546785254E-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 17.8   n/a MPO353522  

441125 (2007 TJ78)          Discovered 2007-Oct-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2007 TJ78 = 2011 SD217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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