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406213 (2007 AB2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2406213
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5452301171716151 1.8118e-08  
a 1.917792866341627 5.1513e-09 au
q .8721544371152944 3.4892e-08 au
i 1.460049181640253 7.7418e-06 deg
node 127.0268102445379 6.9142e-05 deg
peri 280.7909020739339 7.2171e-05 deg
M 106.4789699681461 1.5408e-05 deg
tp 2458913.579013301362
(2020-Mar-05.07901330)
4.0428e-05 TDB
period 970.0653118865652
2.66
3.9085e-06
1.07e-08
d
yr
n .3711090331638378 1.4952e-09 deg/d
Q 2.963431295567961 7.9599e-09 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      2981 days (8.16 yr)  
   first obs. used      2007-01-10  
   last obs. used      2015-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 12:35:39  

Additional Information
 Earth MOID = .0132101 au 
 Jupiter MOID = 2.44465 au 
 T_jup = 3.731 
[ 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 20.3   n/a MPO335049  
rotation period rot_per 8.545 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Collaborative Asteroid Lightcurve Link (CALL) (2011) http://www.minorplanetobserver.com/DATA/submissions_results.htm]

406213 (2007 AB2)          Discovered 2007-Jan-10 by CSS at Catalina
Reference: Last Updated: 2014-09-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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