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251412 (2008 AB29)
Classification: Main-belt Asteroid          SPK-ID: 2251412
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2113389159813401 4.4944e-08  
a 2.648382776307869 1.4235e-08 au
q 2.088676431259312 1.1901e-07 au
i 9.825305000652826 4.2519e-06 deg
node 269.0308394047631 2.8664e-05 deg
peri 239.8657798535305 3.0569e-05 deg
M 27.24699526485523 9.2144e-06 deg
tp 2459277.352296893547
(2021-Mar-03.85229689)
4.0316e-05 TDB
period 1574.234982660609
4.31
1.2692e-05
3.475e-08
d
yr
n .2286825054488151 1.8437e-09 deg/d
Q 3.208089121356426 1.7243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2002-11-01  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43731  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:28:58  

Additional Information
 Earth MOID = 1.12116 au 
 Jupiter MOID = 1.92767 au 
 T_jup = 3.339 
[ 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 15.95   n/a MPCxxxxx  
diameter diameter 4.072 km 0.428 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

251412 (2008 AB29)          Discovered 2008-Jan-11 by Lowe, A. at Mayhill
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2008 AB29 = 2004 FF154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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