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JPL Small-Body Database Browser
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65742 (1993 TY18)
Classification: Mars-crossing Asteroid          SPK-ID: 2065742
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 .2947151083651349 4.0836e-08  
a 2.254457031309661 1.1649e-08 au
q 1.590034483022694 9.0802e-08 au
i 5.080959715740358 5.3096e-06 deg
node 185.4941114568773 5.0357e-05 deg
peri 137.4220272825841 5.1699e-05 deg
M 344.6101685859968 1.8316e-05 deg
tp 2459053.355809921054
(2020-Jul-22.85580992)
6.3272e-05 TDB
period 1236.406758443486
3.39
9.5832e-06
2.624e-08
d
yr
n .2911663152449964 2.2568e-09 deg/d
Q 2.918879579596629 1.5083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      9308 days (25.48 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:34:25  

Additional Information
 Earth MOID = .582847 au 
 Jupiter MOID = 2.44384 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456492.5 (2013-Jul-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2947767593497924 4.0747e-08  
q 1.589634364145226 9.0686e-08 au
tp 2456579.241736358670
(2013-Oct-13.74173636)
4.6907e-05 TDB
node 185.6420370170321 5.0539e-05 deg
peri 136.9869550473227 5.1857e-05 deg
i 5.070226462449819 5.3021e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      9308 days (25.48 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:34:25  

Additional Information
 Jupiter MOID = 2.44384 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.660283154787571E-15 -3.680323949406336E-15 4.020551248829299E-13 -6.84746572837176E-15 1.08696706070605E-13 -2.382981766759026E-15
q -3.680323949406336E-15 8.223862506427035E-15 -5.92956905812813E-13 1.694468218338739E-14 -1.720083213638355E-13 5.262501071780971E-15
tp 4.020551248829299E-13 -5.92956905812813E-13 2.200258509782591E-9 9.435986169813901E-12 5.586527793450627E-10 -1.775106800991612E-12
node -6.84746572837176E-15 1.694468218338739E-14 9.435986169813901E-12 2.554205596561269E-9 -2.541303423118209E-9 6.303549102093607E-12
peri 1.08696706070605E-13 -1.720083213638355E-13 5.586527793450627E-10 -2.541303423118209E-9 2.689141113832042E-9 -6.778238826677341E-12
i -2.382981766759026E-15 5.262501071780971E-15 -1.775106800991612E-12 6.303549102093607E-12 -6.778238826677341E-12 2.811261795796391E-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 MPO432209  

65742 (1993 TY18)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TY18 = 2000 VV58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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