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300504 (2007 TW165)
Classification: Main-belt Asteroid          SPK-ID: 2300504
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3135169119337815 3.9908e-08  
a 2.63486061599045 2.8417e-08 au
q 1.808787252289183 1.0596e-07 au
i 2.901801185793049 4.8068e-06 deg
node 56.17312873912006 0.00014467 deg
peri 16.74494996045188 0.0001462 deg
M 329.9518734777801 2.6965e-05 deg
tp 2459130.891654007338
(2020-Oct-08.39165401)
0.00011898 TDB
period 1562.193749681198
4.28
2.5272e-05
6.919e-08
d
yr
n .2304451672998093 3.728e-09 deg/d
Q 3.460933979691718 3.7326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      15239 days (41.72 yr)  
   first obs. used      1977-12-07  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:49:18  

Additional Information
 Earth MOID = .823824 au 
 Jupiter MOID = 1.848 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3105134002825982 3.925e-08  
q 1.819310742047977 1.0447e-07 au
tp 2457562.337351066786
(2016-Jun-22.83735107)
9.7997e-05 TDB
node 56.24434302453934 0.00014432 deg
peri 16.09180403130921 0.00014593 deg
i 2.907139818316669 4.8083e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      15239 days (41.72 yr)  
   first obs. used      1977-12-07  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:49:18  

Additional Information
 Jupiter MOID = 1.848 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.540595044729828E-15 -4.021318280572623E-15 2.723129580294822E-13 9.672840808193751E-16 9.313052077486151E-14 4.984106522263344E-16
q -4.021318280572623E-15 1.091436822037662E-14 1.086074357032655E-12 -1.584528835186615E-14 1.468170347960316E-13 -2.417876177992267E-16
tp 2.723129580294822E-13 1.086074357032655E-12 9.603504061695183E-9 -6.528157551390442E-11 2.190483296230587E-9 5.514366294547948E-12
node 9.672840808193751E-16 -1.584528835186615E-14 -6.528157551390442E-11 2.082904724750096E-8 -2.081601912897989E-8 -1.009404808304431E-10
peri 9.313052077486151E-14 1.468170347960316E-13 2.190483296230587E-9 -2.081601912897989E-8 2.129547001064644E-8 1.020410859118093E-10
i 4.984106522263344E-16 -2.417876177992267E-16 5.514366294547948E-12 -1.009404808304431E-10 1.020410859118093E-10 2.311956681803369E-11

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 16.8   n/a MPO494601  

300504 (2007 TW165)          Discovered 2007-Oct-11 by LINEAR at Socorro
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2007 TW165 = 1977 XC2 = 2004 BG16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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