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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0977974393320843 5.9233e-08  
a 2.404665722331809 1.7606e-08 au
q 2.169495572238121 1.4377e-07 au
i 8.312908926800974 6.4117e-06 deg
node 233.6999813087591 3.2978e-05 deg
peri 138.5226677023762 4.3943e-05 deg
M 109.6075045915943 3.052e-05 deg
tp 2458185.815038941070
(2018-Mar-08.31503894)
0.00011333 TDB
period 1362.010626347783
3.73
1.4958e-05
4.095e-08
d
yr
n .2643151184255708 2.9028e-09 deg/d
Q 2.639835872425497 1.9328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      7046 days (19.29 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:29:12  

Additional Information
 Earth MOID = 1.1779 au 
 Jupiter MOID = 2.79034 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 16.1   n/a MPO422839  
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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