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192756 (1999 TQ268)
Classification: Main-belt Asteroid          SPK-ID: 2192756
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983936955816147 5.3431e-08  
a 2.788827115171942 2.5339e-08 au
q 2.235541397454766 1.5783e-07 au
i 7.231087326499204 5.3175e-06 deg
node 287.3991246835789 5.3861e-05 deg
peri 5.535044802010106 5.7683e-05 deg
M 255.7956057968868 2.499e-05 deg
tp 2459692.895808951431
(2022-Apr-23.39580895)
0.00012082 TDB
period 1701.103802561327
4.66
2.3184e-05
6.347e-08
d
yr
n .2116272972042937 2.8843e-09 deg/d
Q 3.342112832889117 3.0367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7869 days (21.54 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:20:04  

Additional Information
 Earth MOID = 1.21754 au 
 Jupiter MOID = 1.85952 au 
 T_jup = 3.289 
[ 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 15.71   n/a MPCxxxxx  
diameter diameter 4.260 km 0.916 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192756 (1999 TQ268)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1999 TQ268 = 2005 YN31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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