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JPL Small-Body Database Browser
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66738 (1999 TJ120)
Classification: Main-belt Asteroid          SPK-ID: 2066738
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03260164736622749 4.0429e-08  
a 2.79137510600277 1.899e-08 au
q 2.700371679130002 1.1618e-07 au
i 3.291650252016629 4.9413e-06 deg
node 293.5308994362641 7.952e-05 deg
peri 154.6556285960914 0.00011174 deg
M 84.9370229483887 7.824e-05 deg
tp 2458598.597911942714
(2019-Apr-25.09791194)
0.00036959 TDB
period 1703.435635936281
4.66
1.7383e-05
4.759e-08
d
yr
n .2113376005557901 2.1566e-09 deg/d
Q 2.882378532875538 1.9609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1027  
   data-arc span      7428 days (20.34 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:02:14  

Additional Information
 Earth MOID = 1.71727 au 
 Jupiter MOID = 2.18515 au 
 T_jup = 3.326 
[ 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 14.8   n/a MPO468595  
diameter diameter 7.068 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.90 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.061   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66738 (1999 TJ120)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TJ120 = 2000 YZ96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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