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70426 (1999 TN)
Classification: Main-belt Asteroid          SPK-ID: 2070426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987405022709954 5.3472e-08  
a 2.394231750728916 9.562e-09 au
q 1.918400930035887 1.2504e-07 au
i 7.119939617481267 4.6688e-06 deg
node 209.1061554002511 2.7027e-05 deg
peri 183.5102604392575 2.8384e-05 deg
M 249.7103309153056 1.1415e-05 deg
tp 2459615.052977238479
(2022-Feb-04.55297724)
4.4701e-05 TDB
period 1353.155495382326
3.70
8.1063e-06
2.219e-08
d
yr
n .2660448124613233 1.5938e-09 deg/d
Q 2.870062571421946 1.1462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1191  
   data-arc span      13561 days (37.13 yr)  
   first obs. used      1983-05-08  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:43  

Additional Information
 Earth MOID = .923291 au 
 Jupiter MOID = 2.56685 au 
 T_jup = 3.493 
[ 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 15.35   n/a E2021B10  
diameter diameter 1.718 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.7876 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.]
geometric albedo albedo 0.497   0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70426 (1999 TN)          Discovered 1999-Oct-01 by Stafford, T. at Zeno
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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