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78874 (2003 QE105)
Classification: Main-belt Asteroid          SPK-ID: 2078874
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685028064299893 5.0084e-08  
a 2.512761925556638 9.1162e-09 au
q 2.08935448920992 1.2632e-07 au
i 9.074099377732683 4.5439e-06 deg
node 153.393952379865 2.6102e-05 deg
peri 247.1252715581513 2.8865e-05 deg
M 38.02512797838474 1.14e-05 deg
tp 2458846.828395877361
(2019-Dec-29.32839588)
4.5999e-05 TDB
period 1454.874195705468
3.98
7.9174e-06
2.168e-08
d
yr
n .2474440752765129 1.3466e-09 deg/d
Q 2.936169361903355 1.0652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      10339 days (28.31 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 12:24:57  

Additional Information
 Earth MOID = 1.1158 au 
 Jupiter MOID = 2.53337 au 
 T_jup = 3.424 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457258.5 (2015-Aug-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683247383518407 5.0314e-08  
q 2.089919143135762 1.2695e-07 au
tp 2457388.023137825293
(2015-Dec-31.52313783)
4.5981e-05 TDB
node 153.5431184703975 2.6054e-05 deg
peri 246.1827139006701 2.8809e-05 deg
i 9.082083259856789 4.5517e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      10339 days (28.31 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 12:24:57  

Additional Information
 Jupiter MOID = 2.53337 au 
 T_jup = 3.424 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.531491338152169E-15 -6.376196084540358E-15 -1.196078929270572E-12 5.211283762469908E-14 -3.089859066804526E-13 -2.978457653488187E-15
q -6.376196084540358E-15 1.611710913538932E-14 2.983060676485597E-12 -1.305687674954488E-13 7.678096396017981E-13 8.00598949802139E-15
tp -1.196078929270572E-12 2.983060676485597E-12 2.114212853704356E-9 -3.043116602104864E-11 5.851131731737435E-10 4.365476948240991E-12
node 5.211283762469908E-14 -1.305687674954488E-13 -3.043116602104864E-11 6.787856432779598E-10 -6.769447584795188E-10 5.787528637998996E-11
peri -3.089859066804526E-13 7.678096396017981E-13 5.851131731737435E-10 -6.769447584795188E-10 8.299613102979737E-10 -5.614818193617496E-11
i -2.978457653488187E-15 8.00598949802139E-15 4.365476948240991E-12 5.787528637998996E-11 -5.614818193617496E-11 2.071789448314022E-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 16.2   n/a MPO502632  

78874 (2003 QE105)          Discovered 2003-Aug-31 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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