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101438 (1998 VE39)
Classification: Main-belt Asteroid          SPK-ID: 2101438
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952478517604141 3.225e-08  
a 2.391291513534722 9.6816e-09 au
q 1.924396982584158 8.0254e-08 au
i 4.654401944031973 4.0992e-06 deg
node 300.5685245562416 4.7511e-05 deg
peri 144.8675468677231 4.9191e-05 deg
M 267.168967880942 1.1759e-05 deg
tp 2459348.787500879452
(2021-May-14.28750088)
4.4645e-05 TDB
period 1350.66364613716
3.70
8.2026e-06
2.246e-08
d
yr
n .2665356404827986 1.6187e-09 deg/d
Q 2.858186044485286 1.1572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1998-11-11  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:38  

Additional Information
 Earth MOID = .942852 au 
 Jupiter MOID = 2.36286 au 
 T_jup = 3.501 
[ 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 15.7   n/a MPO337992  
diameter diameter 4.233 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101438 (1998 VE39)          Discovered 1998-Nov-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 VE39 = 2000 HB104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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