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JPL Small-Body Database Browser
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66800 (1999 TB270)
Classification: Main-belt Asteroid          SPK-ID: 2066800
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08142023430310182 4.6672e-08  
a 3.10767207880543 2.9386e-08 au
q 2.854644690011884 1.5463e-07 au
i 9.952748614770343 4.9144e-06 deg
node 283.0907192127794 2.9649e-05 deg
peri 25.7478001079714 4.336e-05 deg
M 341.0626146459962 3.1348e-05 deg
tp 2459105.761298104403
(2020-Sep-13.26129810)
0.00017448 TDB
period 2001.018969050737
5.48
2.8382e-05
7.771e-08
d
yr
n .1799083394850476 2.5518e-09 deg/d
Q 3.360699467598976 3.1778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      8619 days (23.60 yr)  
   first obs. used      1995-11-29  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53215  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:03:37  

Additional Information
 Earth MOID = 1.84318 au 
 Jupiter MOID = 1.85094 au 
 T_jup = 3.192 
[ 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 MPO337770  
diameter diameter 6.066 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66800 (1999 TB270)          Discovered 1999-Oct-03 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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