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192908 (1999 XG223)
Classification: Main-belt Asteroid          SPK-ID: 2192908
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680208783957406 4.9594e-08  
a 2.738601498893362 2.0863e-08 au
q 2.278459269473407 1.404e-07 au
i 4.405712574688856 6.164e-06 deg
node 63.99363325549074 7.7671e-05 deg
peri 24.58490297646746 8.5303e-05 deg
M 209.9452097565484 3.2421e-05 deg
tp 2459890.484051556185
(2022-Nov-06.98405156)
0.0001537 TDB
period 1655.357074287514
4.53
1.8916e-05
5.179e-08
d
yr
n .217475737163807 2.4851e-09 deg/d
Q 3.198743728313316 2.4368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      7104 days (19.45 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:04  

Additional Information
 Earth MOID = 1.29543 au 
 Jupiter MOID = 2.01723 au 
 T_jup = 3.326 
[ 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 16.91   n/a MPCxxxxx  

192908 (1999 XG223)          Discovered 1999-Dec-13 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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