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66028 (1998 QU51)
Classification: Main-belt Asteroid          SPK-ID: 2066028
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 .1663115156910776 5.2766e-08  
a 3.069552990237784 2.1751e-08 au
q 2.559050979937258 1.6826e-07 au
i 4.098702726796181 3.9933e-06 deg
node 254.5181500375299 8.2387e-05 deg
peri 102.8216430373197 8.3642e-05 deg
M 13.75585817523691 1.4596e-05 deg
tp 2458925.442115747283
(2020-Mar-16.94211575)
7.9342e-05 TDB
period 1964.314983969574
5.38
2.0879e-05
5.716e-08
d
yr
n .1832699963793466 1.948e-09 deg/d
Q 3.580055000538309 2.5369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      9517 days (26.06 yr)  
   first obs. used      1993-10-11  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55783  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:41:02  

Additional Information
 Earth MOID = 1.55911 au 
 Jupiter MOID = 1.90966 au 
 T_jup = 3.206 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171868207544599 5.3396e-08  
q 2.540017083612963 1.7156e-07 au
tp 2456956.126619239700
(2014-Oct-25.62661924)
6.805e-05 TDB
node 254.8018935323009 8.2946e-05 deg
peri 101.8683698047157 8.4009e-05 deg
i 4.084014991502345 3.984e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      9517 days (26.06 yr)  
   first obs. used      1993-10-11  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55783  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:41:02  

Additional Information
 Jupiter MOID = 1.90966 au 
 T_jup = 3.206 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.851117341186122E-15 -9.114692332941717E-15 -1.182735167704405E-12 2.795690817480037E-15 -2.099084169025086E-13 -3.628693709619391E-15
q -9.114692332941717E-15 2.943167446461715E-14 3.815198759082489E-12 -8.862792181092678E-15 6.750471982394792E-13 1.207246392741903E-14
tp -1.182735167704405E-12 3.815198759082489E-12 4.630804206804891E-9 -4.09289560424881E-13 9.638912664911513E-10 2.341002359562058E-12
node 2.795690817480037E-15 -8.862792181092678E-15 -4.09289560424881E-13 6.880019948264171E-9 -6.862642357578972E-9 5.775044930417325E-11
peri -2.099084169025086E-13 6.750471982394792E-13 9.638912664911513E-10 -6.862642357578972E-9 7.057467717305902E-9 -5.717624581685613E-11
i -3.628693709619391E-15 1.207246392741903E-14 2.341002359562058E-12 5.775044930417325E-11 -5.717624581685613E-11 1.587257094028781E-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 14.7   n/a MPO449419  
diameter diameter 6.034 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66028 (1998 QU51)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QU51 = 2000 AZ109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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