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193638 (2001 DY2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2193638
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0463180193160537 7.3975e-08  
a 1.94667441956373 7.3604e-09 au
q 1.856508316196309 1.448e-07 au
i 21.15584004120154 7.9729e-06 deg
node 339.9266208978155 1.4726e-05 deg
peri 171.6938212785587 6.2836e-05 deg
M 30.34421907079676 5.8063e-05 deg
tp 2458916.879670551347
(2020-Mar-08.37967055)
0.00016006 TDB
period 992.0610753330137
2.72
5.6265e-06
1.54e-08
d
yr
n .3628808840011747 2.0581e-09 deg/d
Q 2.03684052293115 7.7013e-09 au
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      6977 days (19.10 yr)  
   first obs. used      2000-12-29  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51874  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:06:32  

Additional Information
 Earth MOID = .86645 au 
 Jupiter MOID = 2.95102 au 
 T_jup = 3.813 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457198.5 (2015-Jun-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04634654162193232 7.4026e-08  
q 1.856456857918127 1.4487e-07 au
tp 2456932.819278770491
(2014-Oct-02.31927877)
0.00016147 TDB
node 339.9551255078572 1.4724e-05 deg
peri 171.7502096289883 6.2758e-05 deg
i 21.1592265371405 7.9734e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      6977 days (19.10 yr)  
   first obs. used      2000-12-29  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51874  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:06:32  

Additional Information
 Jupiter MOID = 2.95102 au 
 T_jup = 3.813 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.479811940474541E-15 -1.071149727508908E-14 -1.016792294868525E-12 -6.519791846229316E-14 -2.524067547538427E-13 -2.958586586766457E-14
q -1.071149727508908E-14 2.098670520489054E-14 1.780765736753151E-12 1.286151724528914E-13 4.179587894604311E-13 5.658421172776532E-14
tp -1.016792294868525E-12 1.780765736753151E-12 2.607252207373116E-8 -3.009557702980524E-11 9.864615309316232E-9 6.501183318486022E-11
node -6.519791846229316E-14 1.286151724528914E-13 -3.009557702980524E-11 2.167890900117572E-10 -2.130488521225878E-10 -4.436366310141727E-11
peri -2.524067547538427E-13 4.179587894604311E-13 9.864615309316232E-9 -2.130488521225878E-10 3.93851404010981E-9 6.626575196417459E-11
i -2.958586586766457E-14 5.658421172776532E-14 6.501183318486022E-11 -4.436366310141727E-11 6.626575196417459E-11 6.357486001092708E-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 16.0   n/a MPO281027  

193638 (2001 DY2)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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