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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114206279035527 4.7903e-08  
a 2.648326278983909 2.2929e-08 au
q 2.088415474187652 1.2299e-07 au
i 9.826275707268694 5.2928e-06 deg
node 269.0349658537847 3.4506e-05 deg
peri 239.9295452732922 3.7618e-05 deg
M 296.6456664780449 1.8681e-05 deg
tp 2459277.531713133854
(2021-Mar-04.03171313)
8.4057e-05 TDB
period 1574.18460875492
4.31
2.0444e-05
5.597e-08
d
yr
n .2286898232887293 2.97e-09 deg/d
Q 3.208237083780166 2.7777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      6202 days (16.98 yr)  
   first obs. used      2002-11-01  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:55:26  

Additional Information
 Earth MOID = 1.12024 au 
 Jupiter MOID = 1.92843 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 15.8   n/a MPO454867  
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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2153-Jan-25 01:48 00:06 Jupiter 1.99041803348872 1.99041650487566 1.99041956209477 1.47717687554878 1.15366866968485 2507451.574876654 5.55305803242852 519.029771113194 116.058681112624 15.8123111937077 576463.978713433 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 02:55:30 2019-Nov-08 02:55
2200-Jun-14 03:08 00:07 Jupiter 1.97275773476556 1.97275589977147 1.97275956976325 1.38866766637155 1.03425269789648 2524757.630571043 7.43807954201442 854.989805092998 128.487061343034 26.1584402314651 956323.198234516 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 02:55:30 2019-Nov-08 02:55

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