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192902 (1999 XC156)
Classification: Main-belt Asteroid          SPK-ID: 2192902
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2595866130894621 4.2366e-08  
a 2.775258016965684 2.0455e-08 au
q 2.054838187892185 1.2045e-07 au
i 8.487230427768839 5.3576e-06 deg
node 244.9379466878009 3.8799e-05 deg
peri 179.6036884000222 4.0688e-05 deg
M 203.4196794717979 1.4922e-05 deg
tp 2459934.993831295032
(2022-Dec-21.49383130)
7.6103e-05 TDB
period 1688.703780744826
4.62
1.867e-05
5.112e-08
d
yr
n .2131812601504434 2.3569e-09 deg/d
Q 3.495677846039182 2.5765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:01  

Additional Information
 Earth MOID = 1.06775 au 
 Jupiter MOID = 1.8418 au 
 T_jup = 3.270 
[ 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 15.86   n/a E2021B55  

192902 (1999 XC156)          Discovered 1999-Dec-08 by LINEAR at Socorro
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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