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397847 (2008 TA1)
Classification: Apollo [NEO]          SPK-ID: 2397847
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 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .448446248521543 8.2094e-08  
a 1.396381143849889 7.5829e-09 au
q .7701792583841849 1.1651e-07 au
i 14.83009489874886 1.075e-05 deg
node 22.0418012726809 1.7642e-05 deg
peri 145.6170244975419 2.2141e-05 deg
M 264.2508974163333 1.4135e-05 deg
tp 2459160.801136632225
(2020-Nov-07.30113663)
2.4106e-05 TDB
period 602.7044393149764
1.65
4.9094e-06
1.344e-08
d
yr
n .5973076959731205 4.8654e-09 deg/d
Q 2.022583029315592 1.0983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      5586 days (15.29 yr)  
   first obs. used      2003-10-02  
   last obs. used      2019-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53433  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:18:03  

Additional Information
 Earth MOID = .14454 au 
 Jupiter MOID = 2.96882 au 
 T_jup = 4.622 
[ 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 18.8   n/a MPO386585  

397847 (2008 TA1)          Discovered 2008-Oct-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-06-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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