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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014132393237011 4.4611e-08  
a 2.440929184702427 1.0785e-08 au
q 2.193386649121993 1.0475e-07 au
i 7.362058274990556 4.0427e-06 deg
node 144.9585157947268 3.0071e-05 deg
peri 22.42875452565124 3.6202e-05 deg
M 252.6281515618231 2.2783e-05 deg
tp 2459415.950346774190
(2021-Jul-20.45034677)
8.9901e-05 TDB
period 1392.936109550393
3.81
9.2316e-06
2.527e-08
d
yr
n .2584468860644295 1.7128e-09 deg/d
Q 2.688471720282861 1.1879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1506  
   data-arc span      11038 days (30.22 yr)  
   first obs. used      1989-11-03  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:04:47  

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

[ 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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