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18518 (1996 VT3)
Classification: Main-belt Asteroid          SPK-ID: 2018518
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06163014922013571 4.2225e-08  
a 2.701059475850126 1.2248e-08 au
q 2.534592777301021 1.1293e-07 au
i 8.155570905110132 4.664e-06 deg
node 45.26227802437511 2.9301e-05 deg
peri 25.9747792557545 5.678e-05 deg
M 82.37262763625758 4.577e-05 deg
tp 2458629.494740077243
(2019-May-25.99474008)
0.00020631 TDB
period 1621.435389459438
4.44
1.1029e-05
3.02e-08
d
yr
n .2220254981112868 1.5102e-09 deg/d
Q 2.86752617439923 1.3003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1603  
   data-arc span      8579 days (23.49 yr)  
   first obs. used      1996-11-02  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:50:05  

Additional Information
 Earth MOID = 1.55093 au 
 Jupiter MOID = 2.33016 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456855.5 (2014-Jul-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05964758263087545 4.1733e-08  
q 2.539755641467102 1.1125e-07 au
tp 2457010.544730599259
(2014-Dec-19.04473060)
0.00021595 TDB
node 45.34878630137192 2.9334e-05 deg
peri 26.59951093274237 5.8404e-05 deg
i 8.151280277331734 4.6602e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1603  
   data-arc span      8579 days (23.49 yr)  
   first obs. used      1996-11-02  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:50:05  

Additional Information
 Jupiter MOID = 2.33016 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.741608047618709E-15 -4.618387058834693E-15 -3.853517065277731E-12 4.714450294903676E-15 -9.484976190704912E-13 7.359292593923376E-16
q -4.618387058834693E-15 1.237593206846737E-14 1.004310244281808E-11 -1.217618124398255E-14 2.470500936241793E-12 -1.488196148742366E-15
tp -3.853517065277731E-12 1.004310244281808E-11 4.663568392310277E-8 -1.384952541130338E-11 1.09205968357922E-8 -1.67552528136632E-11
node 4.714450294903676E-15 -1.217618124398255E-14 -1.384952541130338E-11 8.604578392521567E-10 -8.548439398648454E-10 -3.032403308302317E-11
peri -9.484976190704912E-13 2.470500936241793E-12 1.09205968357922E-8 -8.548439398648454E-10 3.410986225971672E-9 2.612633642603786E-11
i 7.359292593923376E-16 -1.488196148742366E-15 -1.67552528136632E-11 -3.032403308302317E-11 2.612633642603786E-11 2.171759492100339E-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 14.1   n/a MPO502309  

18518 (1996 VT3)          Discovered 1996-Nov-02 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 VT3 = 2000 QD62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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