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300497 (2007 TW157)
Classification: Main-belt Asteroid          SPK-ID: 2300497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .160036915984506 4.8586e-08  
a 2.5792547542604 2.1177e-08 au
q 2.166478777850191 1.2518e-07 au
i 3.611012440378901 1.1983e-05 deg
node 350.1495887531224 7.372e-05 deg
peri 91.14867771567579 8.6882e-05 deg
M 331.779658674886 4.4969e-05 deg
tp 2459119.104057841670
(2020-Sep-26.60405784)
0.0001897 TDB
period 1513.002990683304
4.14
1.8634e-05
5.102e-08
d
yr
n .2379374014570959 2.9304e-09 deg/d
Q 2.992030730670609 2.4567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-10-24  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:07:07  

Additional Information
 Earth MOID = 1.18589 au 
 Jupiter MOID = 2.24493 au 
 T_jup = 3.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457531.5 (2016-May-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158146130899121 4.7513e-08  
q 2.172158467056712 1.2203e-07 au
tp 2457602.412235541080
(2016-Aug-01.91223554)
0.00018564 TDB
node 350.344690377844 7.3589e-05 deg
peri 90.37623840636799 8.7351e-05 deg
i 3.616403625879236 1.1989e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-10-24  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:07:07  

Additional Information
 Jupiter MOID = 2.24493 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.257479036629708E-15 -5.734036838554399E-15 4.988393913027904E-12 -1.539495485210006E-14 1.341455726221793E-12 -3.133762772363902E-16
q -5.734036838554399E-15 1.489171949118244E-14 -1.139502572677474E-11 3.479188087078557E-14 -3.102104867592805E-12 1.256770541450936E-15
tp 4.988393913027904E-12 -1.139502572677474E-11 3.446142738794771E-8 -1.057247081737105E-10 8.746147713291251E-9 -2.131943719912265E-12
node -1.539495485210006E-14 3.479188087078557E-14 -1.057247081737105E-10 5.415359521587599E-9 -5.43008544234622E-9 -4.209225587693835E-10
peri 1.341455726221793E-12 -3.102104867592805E-12 8.746147713291251E-9 -5.43008544234622E-9 7.630237853305758E-9 4.194361223631079E-10
i -3.133762772363902E-16 1.256770541450936E-15 -2.131943719912265E-12 -4.209225587693835E-10 4.194361223631079E-10 1.43739555608821E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO494601  

300497 (2007 TW157)          Discovered 2007-Oct-09 by LINEAR at Socorro
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2007 TW157 = 2003 UM312 = 2005 EX326 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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