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78826 (2003 QE17)
Classification: Main-belt Asteroid          SPK-ID: 2078826
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2537623340856005 5.1587e-08  
a 2.35487955509931 9.0708e-09 au
q 1.757299822706848 1.2081e-07 au
i 4.810179108381419 5.2923e-06 deg
node 222.4685659618971 4.1087e-05 deg
peri 150.5145669899504 4.1542e-05 deg
M 204.8191840581362 7.4676e-06 deg
tp 2459569.466905472648
(2021-Dec-20.96690547)
2.9695e-05 TDB
period 1319.931750113294
3.61
7.6264e-06
2.088e-08
d
yr
n .2727413746726677 1.5759e-09 deg/d
Q 2.952459287491771 1.1373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      25748 days (70.49 yr)  
   first obs. used      1949-11-21  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:23  

Additional Information
 Earth MOID = .760044 au 
 Jupiter MOID = 2.523 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457179.5 (2015-Jun-06.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2522522475624668 5.1355e-08  
q 1.76180512475282 1.2004e-07 au
tp 2456926.782812144806
(2014-Sep-26.28281214)
2.148e-05 TDB
node 222.6208247447996 4.1245e-05 deg
peri 150.085985203327 4.1706e-05 deg
i 4.79846016114518 5.2824e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      25748 days (70.49 yr)  
   first obs. used      1949-11-21  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:23  

Additional Information
 Jupiter MOID = 2.523 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.637349393363667E-15 -6.154847327272574E-15 2.426304239408791E-13 -9.310507880706326E-15 6.163142156347108E-14 -3.278547721551186E-15
q -6.154847327272574E-15 1.440940874185772E-14 -5.246598110529643E-13 2.175071399203695E-14 -1.323095217835321E-13 7.544490175199369E-15
tp 2.426304239408791E-13 -5.246598110529643E-13 4.613738720211378E-10 -2.284129565931482E-12 1.421908612388073E-10 -7.483181832223788E-13
node -9.310507880706326E-15 2.175071399203695E-14 -2.284129565931482E-12 1.701118433968703E-9 -1.695178602022173E-9 -8.508195930144712E-11
peri 6.163142156347108E-14 -1.323095217835321E-13 1.421908612388073E-10 -1.695178602022173E-9 1.739398998756639E-9 8.45747888749984E-11
i -3.278547721551186E-15 7.544490175199369E-15 -7.483181832223788E-13 -8.508195930144712E-11 8.45747888749984E-11 2.790334026396621E-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 15.8   n/a MPO417369  
diameter diameter 4.391 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78826 (2003 QE17)          Discovered 2003-Aug-22 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 QE17 = 1949 WL1 = 1996 VB33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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