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66887 (1999 VX74)
Classification: Main-belt Asteroid          SPK-ID: 2066887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292367683472632 4.1281e-08  
a 2.743143256705804 1.9262e-08 au
q 2.388628287095559 1.1697e-07 au
i 8.42950099237688 5.7419e-06 deg
node 192.1678644089748 3.0416e-05 deg
peri 78.04930302937458 3.7454e-05 deg
M 286.6971899589599 2.295e-05 deg
tp 2459338.400848641442
(2021-May-03.90084864)
0.00010683 TDB
period 1659.476702773252
4.54
1.7479e-05
4.785e-08
d
yr
n .2169358565856225 2.285e-09 deg/d
Q 3.097658226316049 2.1752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      10691 days (29.27 yr)  
   first obs. used      1990-10-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:05:20  

Additional Information
 Earth MOID = 1.3906 au 
 Jupiter MOID = 2.02272 au 
 T_jup = 3.321 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO319849  
diameter diameter 5.776 km 0.403 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.028   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66887 (1999 VX74)          Discovered 1999-Nov-05 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VX74 = 1993 FG72 = 1999 VS229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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