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JPL Small-Body Database Browser
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154278 (2002 TB9)
Classification: Apollo [NEO]          SPK-ID: 2154278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 107 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5912688967720852 8.8305e-08  
a 1.804551951198401 1.0578e-08 au
q .7375765098454089 1.6112e-07 au
i 29.70862912887741 1.7328e-05 deg
node 196.3364804210113 9.3077e-06 deg
peri 322.5432617410101 1.4472e-05 deg
M 15.80371369460935 2.0998e-05 deg
tp 2458961.630481252851
(2020-Apr-22.13048125)
5.1375e-05 TDB
period 885.4264902145619
2.42
7.7851e-06
2.131e-08
d
yr
n .4065837243165862 3.5749e-09 deg/d
Q 2.871527392551394 1.6832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      10483 days (28.70 yr)  
   first obs. used      1991-05-16  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-04 05:42:08  

Additional Information
 Earth MOID = .182665 au 
 Jupiter MOID = 2.3529 au 
 T_jup = 3.708 
[ 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 16.5   n/a MPO502912  
rotation period rot_per 7.85 h n/a LCDB (Rev. 2019-August); 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:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]

154278 (2002 TB9)          Discovered 2002-Oct-02 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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