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190079 (2004 TL21)
Classification: Main-belt Asteroid          SPK-ID: 2190079
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1689768098213477 6.9641e-08  
a 2.765322475975793 2.2936e-08 au
q 2.298047105858133 1.8424e-07 au
i 13.01629333222781 4.7764e-06 deg
node 130.6778324766901 2.4309e-05 deg
peri 227.877840858073 2.835e-05 deg
M 206.4157004217499 1.7065e-05 deg
tp 2459917.074621301555
(2022-Dec-03.57462130)
8.4283e-05 TDB
period 1679.643455593764
4.60
2.0897e-05
5.721e-08
d
yr
n .214331201542257 2.6665e-09 deg/d
Q 3.232597846093453 2.6811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7525 days (20.60 yr)  
   first obs. used      1999-09-11  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:06:08  

Additional Information
 Earth MOID = 1.31215 au 
 Jupiter MOID = 2.2438 au 
 T_jup = 3.282 
[ 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 15.81   n/a E2021B55  
rotation period rot_per 57.936 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

190079 (2004 TL21)          Discovered 2004-Oct-03 by NEAT at Palomar
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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