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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 248 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4837172549295974 7.7111e-08  
a .7871457982378167 1.724e-09 au
q .4063897934848533 6.0533e-08 au
i 5.414806494832749 3.084e-06 deg
node 102.1341254071473 9.8928e-05 deg
peri 84.73331597986765 9.7755e-05 deg
M 289.6148279320115 2.3502e-05 deg
tp 2458650.372354855109
(2019-Jun-15.87235486)
1.6612e-05 TDB
period 255.0828138985965
0.70
8.3801e-07
2.294e-09
d
yr
n 1.411306369480115 4.6365e-09 deg/d
Q 1.16790180299078 2.5579e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1243  
   data-arc span      13518 days (37.01 yr)  
   first obs. used      1982-12-04  
   last obs. used      2019-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-09 05:13:37  

Additional Information
 Earth MOID = .073525 au 
 Jupiter MOID = 3.79293 au 
 T_jup = 7.288 
[ 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-January); 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

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