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441427 (2008 GT99)
Classification: Main-belt Asteroid          SPK-ID: 2441427
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07412767483193582 5.385e-08  
a 3.153470089098334 5.0206e-08 au
q 2.919710683741418 1.9051e-07 au
i 11.7486832808926 7.5144e-06 deg
node 49.02326283660585 3.0195e-05 deg
peri 253.0562172753836 6.4275e-05 deg
M 340.967479345205 5.5134e-05 deg
tp 2459108.637247245807
(2020-Sep-16.13724725)
0.00031357 TDB
period 2045.415303342004
5.60
4.8847e-05
1.337e-07
d
yr
n .1760033766305532 4.2032e-09 deg/d
Q 3.387229494455251 5.3927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1999-11-13  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:18:31  

Additional Information
 Earth MOID = 1.93219 au 
 Jupiter MOID = 1.79046 au 
 T_jup = 3.170 
[ 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 16.1   n/a MPO434638  

441427 (2008 GT99)          Discovered 2008-Mar-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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