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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014132372214972 4.1264e-08  
a 2.440929184150882 1.003e-08 au
q 2.193386653757713 9.7686e-08 au
i 7.362057959023425 3.9497e-06 deg
node 144.9585140229752 2.9753e-05 deg
peri 22.42875575511119 3.5534e-05 deg
M 252.6281523692407 2.1574e-05 deg
tp 2459415.950343509265
(2021-Jul-20.45034351)
8.4977e-05 TDB
period 1392.936109078277
3.81
8.5854e-06
2.351e-08
d
yr
n .2584468861520263 1.5929e-09 deg/d
Q 2.688471714544051 1.1047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1560  
   data-arc span      11319 days (30.99 yr)  
   first obs. used      1989-11-03  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:21:00  

Additional Information
 Earth MOID = 1.20273 au 
 Jupiter MOID = 2.285 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

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