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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 288 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4836936971090723 6.1404e-08  
a .7872617148225737 1.6482e-09 au
q .4064681853876149 4.8223e-08 au
i 5.406999531161667 2.9627e-06 deg
node 102.0199992475878 8.9673e-05 deg
peri 84.8458546846563 8.9032e-05 deg
M 134.0505005781654 1.5925e-05 deg
tp 2458905.495743401548
(2020-Feb-25.99574340)		 1.133e-05 TDB
period 255.1391619421779
0.70		 8.0122e-07
2.194e-09		 d
yr
n 1.410994679372611 4.431e-09 deg/d
Q 1.168055244257532 2.4454e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1455  
   data-arc span      13818 days (37.83 yr)  
   first obs. used      1982-12-04  
   last obs. used      2020-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-21 05:19:46  

Additional Information
 Earth MOID = .0733093 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 14.49   n/a E2021B10  
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. 2020-October); 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.]
[Oey, J. (2020) Minor Planet Bull. 47, 136-140.]
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

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