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78742 (2002 TW272)
Classification: Main-belt Asteroid          SPK-ID: 2078742
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08204222299410804 3.445e-08  
a 2.786819163516445 1.4038e-08 au
q 2.558182324258976 9.509e-08 au
i 3.151447419190764 3.8513e-06 deg
node 295.7295017547052 6.3882e-05 deg
peri 179.345866619209 6.8627e-05 deg
M 195.0906917941317 2.7013e-05 deg
tp 2459778.902600866329
(2022-Jul-18.40260087)
0.00013019 TDB
period 1699.266944726088
4.65
1.284e-05
3.515e-08
d
yr
n .2118560601189297 1.6008e-09 deg/d
Q 3.015456002773915 1.519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      21915 days (60.00 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:41  

Additional Information
 Earth MOID = 1.57457 au 
 Jupiter MOID = 2.05587 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457364.5 (2015-Dec-08.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08189570823368134 3.3815e-08  
q 2.557474581223002 9.3269e-08 au
tp 2458070.305020804354
(2017-Nov-12.80502080)
0.00012616 TDB
node 295.8411817893876 6.4075e-05 deg
peri 177.373217460125 6.8933e-05 deg
i 3.146490633574903 3.8444e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      21915 days (60.00 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:41  

Additional Information
 Jupiter MOID = 2.05587 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.143424312985269E-15 -3.124770987537374E-15 1.175417037867135E-12 -9.102950510948249E-16 2.539482823989461E-13 4.435913883076107E-16
q -3.124770987537374E-15 8.699116862067458E-15 -2.579693673841408E-12 1.982479122265041E-15 -5.803900608759964E-13 -1.097366444878084E-15
tp 1.175417037867135E-12 -2.579693673841408E-12 1.591710592512064E-8 -2.32834840266197E-11 3.218634175362635E-9 1.743563912513675E-12
node -9.102950510948249E-16 1.982479122265041E-15 -2.32834840266197E-11 4.10561108435924E-9 -4.103953659332618E-9 6.974225564806163E-11
peri 2.539482823989461E-13 -5.803900608759964E-13 3.218634175362635E-9 -4.103953659332618E-9 4.751749211986861E-9 -6.92972802426847E-11
i 4.435913883076107E-16 -1.097366444878084E-15 1.743563912513675E-12 6.974225564806163E-11 -6.92972802426847E-11 1.477953264671784E-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 15.3   n/a MPO474678  

78742 (2002 TW272)          Discovered 2002-Oct-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TW272 = 1998 YF24 = 2000 GH171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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