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215146 (1999 VA28)
Classification: Main-belt Asteroid          SPK-ID: 2215146
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 .09794933841608119 5.758e-08  
a 2.404280162480815 1.686e-08 au
q 2.168782511198911 1.408e-07 au
i 8.312946797560802 6.2999e-06 deg
node 233.6965574632531 3.0431e-05 deg
peri 138.3918819403935 4.0956e-05 deg
M 215.5022412022135 3.0567e-05 deg
tp 2459547.055975604344
(2021-Nov-28.55597560)
0.00011914 TDB
period 1361.683065914639
3.73
1.4323e-05
3.921e-08
d
yr
n .2643787008970322 2.7809e-09 deg/d
Q 2.639777813762719 1.8511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:16:20  

Additional Information
 Earth MOID = 1.17798 au 
 Jupiter MOID = 2.79062 au 
 T_jup = 3.503 
[ 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 16.2   n/a MPO470310  
diameter diameter 1.671 km 0.374 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215146 (1999 VA28)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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