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190352 (1998 XC23)
Classification: Jupiter Trojan          SPK-ID: 2190352
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03325145593283584 6.9846e-08  
a 5.228076651413845 1.4631e-07 au
q 5.05423549102587 3.1963e-07 au
i 6.118388843079372 5.1145e-06 deg
node 241.0689988332221 6.2093e-05 deg
peri 295.4906958604503 0.00010507 deg
M 191.0235849246648 8.8969e-05 deg
tp 2461249.938723137115
(2026-Jul-28.43872314)
0.0011341 TDB
period 4366.277625196551
11.95
0.00018329
5.018e-07
d
yr
n .0824500938562729 3.4611e-09 deg/d
Q 5.401917811801821 1.5118e-07 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      8827 days (24.17 yr)  
   first obs. used      1996-10-06  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:02:38  

Additional Information
 Earth MOID = 4.06256 au 
 Jupiter MOID = .154984 au 
 T_jup = 2.987 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.92   n/a E2021B55  

190352 (1998 XC23)          Discovered 1998-Dec-11 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 1998 XC23 = 2004 JE49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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