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78884 (2003 SW2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078884
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419179833324806 4.7746e-08  
a 3.425757305331965 3.1301e-08 au
q 2.939580737172739 1.5406e-07 au
i 7.540951668411974 6.5242e-06 deg
node 348.6035196021464 3.7632e-05 deg
peri 98.29659234620947 4.4816e-05 deg
M 163.0743465708382 2.3001e-05 deg
tp 2457951.401026983593
(2017-Jul-16.90102698)
0.00014632 TDB
period 2315.972059540631
6.34
3.1741e-05
8.69e-08
d
yr
n .1554422897793531 2.1304e-09 deg/d
Q 3.91193387349119 3.5743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      7387 days (20.22 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:32:32  

Additional Information
 Earth MOID = 1.96844 au 
 Jupiter MOID = 1.36759 au 
 T_jup = 3.111 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456907.5 (2014-Sep-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1445097113865165 4.7739e-08  
q 2.928824336784306 1.543e-07 au
tp 2457951.070274375361
(2017-Jul-16.57027438)
0.00014321 TDB
node 348.6827760498929 3.7626e-05 deg
peri 97.90689819083133 4.4482e-05 deg
i 7.544576623839198 6.5269e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      7387 days (20.22 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:32:32  

Additional Information
 Jupiter MOID = 1.36759 au 
 T_jup = 3.111 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.27900862680464E-15 -7.266372574950169E-15 -1.305045045457383E-13 -4.981082977528401E-15 -1.417834482063473E-13 7.167037028135647E-16
q -7.266372574950169E-15 2.380835282363431E-14 5.366911712202173E-13 2.978072467317145E-14 3.922273305881188E-13 8.565669871608848E-16
tp -1.305045045457383E-13 5.366911712202173E-13 2.050903735387608E-8 -2.461526873858032E-11 3.386569878213788E-9 -7.829225898163154E-12
node -4.981082977528401E-15 2.978072467317145E-14 -2.461526873858032E-11 1.415747638075423E-9 -1.40735075272525E-9 2.884282052610077E-11
peri -1.417834482063473E-13 3.922273305881188E-13 3.386569878213788E-9 -1.40735075272525E-9 1.978650838445816E-9 -2.99911399581009E-11
i 7.167037028135647E-16 8.565669871608848E-16 -7.829225898163154E-12 2.884282052610077E-11 -2.99911399581009E-11 4.260083854027639E-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 14.0   n/a MPO436333  

78884 (2003 SW2)          Discovered 2003-Sep-16 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SW2 = 1999 CT22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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