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66146 (1998 TU3)
Classification: Aten [NEO]          SPK-ID: 2066146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 270 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4836937201039478 6.3464e-08  
a .7872617150852228 1.6593e-09 au
q .4064681674202372 4.9842e-08 au
i 5.406999525710485 3.0001e-06 deg
node 102.0200242644305 9.2218e-05 deg
peri 84.84582978927732 9.1685e-05 deg
M 134.0504983810461 1.6471e-05 deg
tp 2458905.495744911147
(2020-Feb-25.99574491)
1.1714e-05 TDB
period 255.1391620698586
0.70
8.0661e-07
2.208e-09
d
yr
n 1.410994678666499 4.4608e-09 deg/d
Q 1.168055262750208 2.4618e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      13721 days (37.57 yr)  
   first obs. used      1982-12-04  
   last obs. used      2020-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-29 06:01:37  

Additional Information
 Earth MOID = .0733092 au 
 Jupiter MOID = 3.79146 au 
 T_jup = 7.287 
[ 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 14.5   n/a MPO400632  
diameter diameter 2.864 km 1.165 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
rotation period rot_per 2.375 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Galad, A.; Pravec, P.; Kusnirak, P.; Gajdos, S.; et al. (2005) Earth, Moon, and Planets 97, 147-163.]
[Richards, T.; Bolt, G.; Higgins, D.; Bembrick, C. (2007) Minor Planet Bull. 34, 54-55.]
[Hicks, M.; Truoag, T. (2010) Astronomer's Telegram 2833. http://www.astronomerstelegram.org]
[Higgins, D. (2011) Minor Planet Bull. 38, 41-46.]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
[Warner, B.D. (2018) Minor Planet Bull. 45, 19-34.]
geometric albedo albedo 0.224   0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  

66146 (1998 TU3)          Discovered 1998-Oct-13 by LINEAR at Socorro
Reference: 20030910/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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