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101340 (1998 TN4)
Classification: Main-belt Asteroid          SPK-ID: 2101340
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02590252298892922 4.1202e-08  
a 2.839542183338261 2.0461e-08 au
q 2.765990876656307 1.228e-07 au
i 1.343153536467116 6.3197e-06 deg
node 327.931099635734 0.00016998 deg
peri 313.114392146833 0.00021698 deg
M 269.4314889756639 0.00013594 deg
tp 2459440.189040963468
(2021-Aug-13.68904096)
0.0006593 TDB
period 1747.71620905102
4.78
1.889e-05
5.172e-08
d
yr
n .2059830984776835 2.2264e-09 deg/d
Q 2.913093490020214 2.0991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      9745 days (26.68 yr)  
   first obs. used      1993-09-10  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:08  

Additional Information
 Earth MOID = 1.74975 au 
 Jupiter MOID = 2.10898 au 
 T_jup = 3.309 
[ 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 15.6   n/a MPO469020  
rotation period rot_per 5.75 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

101340 (1998 TN4)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 TN4 = 2001 FN138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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