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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953428582960567 3.1611e-08  
a 2.390917244381316 9.4552e-09 au
q 1.923868635914538 7.906e-08 au
i 4.654463128175327 3.723e-06 deg
node 300.5689960350532 4.725e-05 deg
peri 144.9236537587125 4.8911e-05 deg
M 320.4398070384759 1.1626e-05 deg
tp 2459348.888807227178
(2021-May-14.38880723)
4.3818e-05 TDB
period 1350.346563115605
3.70
8.0102e-06
2.193e-08
d
yr
n .2665982273242399 1.5814e-09 deg/d
Q 2.857965852848094 1.1302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      8097 days (22.17 yr)  
   first obs. used      1998-11-11  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5057  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:28:36  

Additional Information
 Earth MOID = .942005 au 
 Jupiter MOID = 2.36296 au 
 T_jup = 3.502 
[ 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 15.71   n/a E2021B55  
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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