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17444 (1989 VQ1)
Classification: Main-belt Asteroid          SPK-ID: 2017444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013587628651508 3.5496e-08  
a 2.441384485105677 8.5772e-09 au
q 2.193928774017192 8.5827e-08 au
i 7.362159841639694 3.7894e-06 deg
node 144.9552045083188 2.8284e-05 deg
peri 22.32578256675154 3.3427e-05 deg
M 304.4100416799413 1.9137e-05 deg
tp 2459415.652573418399
(2021-Jul-20.15257342)
7.4583e-05 TDB
period 1393.325859045937
3.81
7.3427e-06
2.01e-08
d
yr
n .2583745917459005 1.3616e-09 deg/d
Q 2.688840196194162 9.4466e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1723  
   data-arc span      11400 days (31.21 yr)  
   first obs. used      1989-11-03  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:33:54  

Additional Information
 Earth MOID = 1.20298 au 
 Jupiter MOID = 2.28377 au 
 T_jup = 3.483 
[ show covariance matrix ]

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 14.5   n/a MPO502302  
diameter diameter 2.991 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.376   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17444 (1989 VQ1)          Discovered 1989-Nov-03 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 VQ1 = 1992 OJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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