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157693 Amandamarty (2006 AB)
Classification: Main-belt Asteroid          SPK-ID: 2157693
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396110992428012 5.4587e-08  
a 2.706182731463409 1.7128e-08 au
q 2.328369585571916 1.458e-07 au
i 7.649279743813304 5.4439e-06 deg
node 227.9857983018849 3.7746e-05 deg
peri 209.0225473335755 4.6091e-05 deg
M 108.9306295628709 2.2792e-05 deg
tp 2458508.481290713502
(2019-Jan-24.98129071)
0.00010266 TDB
period 1626.050781620682
4.45
1.5438e-05
4.227e-08
d
yr
n .2213952996235386 2.1019e-09 deg/d
Q 3.083995877354901 1.952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      8560 days (23.44 yr)  
   first obs. used      1996-11-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:15:10  

Additional Information
 Earth MOID = 1.34666 au 
 Jupiter MOID = 2.20107 au 
 T_jup = 3.338 
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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 16.2   n/a MPO333973  
diameter diameter 3.350 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

157693 Amandamarty           Discovered 2006 Jan. 2 by A. Lowe at Mayhill.
Amanda Nicole Zawada (b. 1987) and Martin Peter Mackinlay (b. 1988) are geologists in Brisbane, Australia. Their engagement occurred on January 2, 2016, the ten-year anniversary of the discovery of this minor planet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-01-12Last Updated: 2017-01-17

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Alternate Designations
 2006 AB = 2000 VT39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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