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305025 (2007 TQ391)
Classification: Main-belt Asteroid          SPK-ID: 2305025
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03620021442804804 6.2811e-08  
a 2.400476818128798 1.6768e-08 au
q 2.313579042582977 1.5626e-07 au
i 7.533490539757399 6.1223e-06 deg
node 21.48728349324196 3.7916e-05 deg
peri 161.3200326416552 7.3009e-05 deg
M 345.0062007489732 6.2365e-05 deg
tp 2459057.078820876580
(2020-Jul-26.57882088)
0.00023538 TDB
period 1358.45326288291
3.72
1.4234e-05
3.897e-08
d
yr
n .2650072769055063 2.7767e-09 deg/d
Q 2.487374593674619 1.7375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:58:49  

Additional Information
 Earth MOID = 1.31492 au 
 Jupiter MOID = 2.46835 au 
 T_jup = 3.513 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457260.5 (2015-Aug-26.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03664344920150839 6.2746e-08  
q 2.312247446419898 1.561e-07 au
tp 2457703.250504120568
(2016-Nov-10.75050412)
0.0002332 TDB
node 21.50737407534719 3.7917e-05 deg
peri 162.624127725964 7.2658e-05 deg
i 7.534398450859102 6.123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:58:49  

Additional Information
 Jupiter MOID = 2.46835 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.937123196762702E-15 -9.747188755058355E-15 -2.655319285144018E-12 3.994046886018108E-15 -6.27579290258997E-13 -2.842797820903053E-15
q -9.747188755058355E-15 2.436829388791012E-14 6.493495535939977E-12 -9.47097525798873E-15 1.510116281768464E-12 7.265265066902147E-15
tp -2.655319285144018E-12 6.493495535939977E-12 5.438239251220922E-8 -5.298745230998473E-11 1.446861133104545E-8 1.884897390160488E-11
node 3.994046886018108E-15 -9.47097525798873E-15 -5.298745230998473E-11 1.437670313424154E-9 -1.438977084568832E-9 -7.644579943652705E-11
peri -6.27579290258997E-13 1.510116281768464E-12 1.446861133104545E-8 -1.438977084568832E-9 5.279222793846337E-9 8.078226272787039E-11
i -2.842797820903053E-15 7.265265066902147E-15 1.884897390160488E-11 -7.644579943652705E-11 8.078226272787039E-11 3.749171749958224E-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 16.5   n/a MPO455248  

305025 (2007 TQ391)          Discovered 2007-Oct-15 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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