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192903 (1999 XX177)
Classification: Main-belt Asteroid          SPK-ID: 2192903
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671857392073002 5.2104e-08  
a 2.732115774842801 1.7807e-08 au
q 2.275344979425781 1.3825e-07 au
i 4.351321988325045 5.5588e-06 deg
node 57.45090609099845 6.2351e-05 deg
peri 7.775844003144019 6.4265e-05 deg
M 264.688225874829 1.7859e-05 deg
tp 2459637.207980037980
(2022-Feb-26.70798004)
8.4377e-05 TDB
period 1649.480080049772
4.52
1.6126e-05
4.415e-08
d
yr
n .2182505895973822 2.1337e-09 deg/d
Q 3.18888657025982 2.0784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      7493 days (20.51 yr)  
   first obs. used      1999-12-10  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:01  

Additional Information
 Earth MOID = 1.28837 au 
 Jupiter MOID = 2.12619 au 
 T_jup = 3.329 
[ 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 15.68   n/a E2021B55  

192903 (1999 XX177)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1999 XX177 = 2003 SB225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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