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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114206143804372 4.7315e-08  
a 2.648326273220245 2.2438e-08 au
q 2.088415505456168 1.2191e-07 au
i 9.826277385523454 5.2021e-06 deg
node 269.0349509708598 3.4317e-05 deg
peri 239.9295524304463 3.7364e-05 deg
M 296.6456767717252 1.8375e-05 deg
tp 2459277.531667217945
(2021-Mar-04.03166722)
8.265e-05 TDB
period 1574.184603615974
4.31
2.0006e-05
5.477e-08
d
yr
n .2286898240352901 2.9063e-09 deg/d
Q 3.208237040984323 2.7182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      6557 days (17.95 yr)  
   first obs. used      2002-11-01  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:04:34  

Additional Information
 Earth MOID = 1.12024 au 
 Jupiter MOID = 1.92843 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457326.5 (2015-Oct-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2111102801604731 4.7588e-08  
q 2.089254122739839 1.2259e-07 au
tp 2457704.965848817086
(2016-Nov-12.46584882)
7.0851e-05 TDB
node 269.0791993383987 3.435e-05 deg
peri 240.1731416445185 3.7379e-05 deg
i 9.820784865367875 5.1994e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      6557 days (17.95 yr)  
   first obs. used      2002-11-01  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:04:34  

Additional Information
 Jupiter MOID = 1.92843 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.264598766348475E-15 -5.77678050098826E-15 1.011340253353482E-12 -6.242163347003176E-15 2.498024567797739E-13 3.97707759094243E-16
q -5.77678050098826E-15 1.502871830427393E-14 -2.069425695027335E-12 1.919368338041678E-14 -5.532942199196229E-13 -1.466264549178259E-16
tp 1.011340253353482E-12 -2.069425695027335E-12 5.019867986299172E-9 2.366759433373649E-12 1.084747742030281E-9 6.677671679653217E-13
node -6.242163347003176E-15 1.919368338041678E-14 2.366759433373649E-12 1.179917207549197E-9 -1.162106667597144E-9 -3.284888900044089E-11
peri 2.498024567797739E-13 -5.532942199196229E-13 1.084747742030281E-9 -1.162106667597144E-9 1.397206671387927E-9 3.245519484280833E-11
i 3.97707759094243E-16 -1.466264549178259E-16 6.677671679653217E-13 -3.284888900044089E-11 3.245519484280833E-11 2.703351576791685E-11

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

[ 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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