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129924 (1999 TK127)
Classification: Main-belt Asteroid          SPK-ID: 2129924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206113583139267 5.6225e-08  
a 2.602502026688161 1.5866e-08 au
q 2.06609100884026 1.4211e-07 au
i 4.185838138672932 6.4264e-06 deg
node 185.1238952067253 9.8213e-05 deg
peri 176.0185212161346 0.00010039 deg
M 342.763786147986 2.336e-05 deg
tp 2459073.921696378881
(2020-Aug-12.42169638)
9.996e-05 TDB
period 1533.504453085473
4.20
1.4023e-05
3.839e-08
d
yr
n .2347564099182532 2.1468e-09 deg/d
Q 3.138913044536062 1.9136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      8570 days (23.46 yr)  
   first obs. used      1995-11-23  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:07:03  

Additional Information
 Earth MOID = 1.06321 au 
 Jupiter MOID = 2.31917 au 
 T_jup = 3.380 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436629  
rotation period rot_per 1.78 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

129924 (1999 TK127)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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