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66727 (1999 TH110)
Classification: Main-belt Asteroid          SPK-ID: 2066727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04705257329840418 4.0523e-08  
a 2.729042576808419 1.4294e-08 au
q 2.600634100928675 1.1214e-07 au
i 4.011674143575087 4.0518e-06 deg
node 297.8857270014917 6.7467e-05 deg
peri 107.6500039399691 8.4471e-05 deg
M 214.4387394399521 5.1531e-05 deg
tp 2459866.320558928176
(2022-Oct-13.82055893)
0.00023762 TDB
period 1646.697756614046
4.51
1.2938e-05
3.542e-08
d
yr
n .2186193541310429 1.7177e-09 deg/d
Q 2.857451052688163 1.4967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5185  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:33  

Additional Information
 Earth MOID = 1.61227 au 
 Jupiter MOID = 2.33103 au 
 T_jup = 3.350 
[ 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 14.55   n/a E2021B10  
diameter diameter 6.672 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66727 (1999 TH110)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TH110 = 2000 YS54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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