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102430 (1999 TG204)
Classification: Main-belt Asteroid          SPK-ID: 2102430
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271791403379574 5.679e-08  
a 2.368014482935119 1.0747e-08 au
q 2.066852436687598 1.3422e-07 au
i 6.994769699573716 7.6483e-06 deg
node 16.54790666527638 3.0476e-05 deg
peri 311.6626980407593 3.9537e-05 deg
M 353.6554570888679 2.6413e-05 deg
tp 2459223.957017752026
(2021-Jan-09.45701775)
9.77e-05 TDB
period 1330.99050774998
3.64
9.0608e-06
2.481e-08
d
yr
n .2704752572642872 1.8413e-09 deg/d
Q 2.66917652918264 1.2114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1995-08-30  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:57  

Additional Information
 Earth MOID = 1.06206 au 
 Jupiter MOID = 2.66857 au 
 T_jup = 3.526 
[ 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 15.85   n/a E2021B55  

102430 (1999 TG204)          Discovered 1999-Oct-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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