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181278 (2005 YR53)
Classification: Jupiter Trojan          SPK-ID: 2181278
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08057999127090835 5.6579e-08  
a 5.217279180288154 1.3127e-07 au
q 4.796870869482643 3.6562e-07 au
i .3636913786369904 6.6539e-06 deg
node 339.5169716161666 0.00090972 deg
peri 284.8007575103208 0.00091098 deg
M 312.0563252515336 5.0232e-05 deg
tp 2459780.186731198672
(2022-Jul-19.68673120)
0.00061126 TDB
period 4352.758196495928
11.92
0.00016428
4.498e-07
d
yr
n .08270617933470516 3.1215e-09 deg/d
Q 5.637687491093666 1.4185e-07 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7507 days (20.55 yr)  
   first obs. used      2000-08-25  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54185  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:58  

Additional Information
 Earth MOID = 3.7794 au 
 Jupiter MOID = .0796336 au 
 T_jup = 2.993 
[ 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 13.59   n/a E2021B55  

181278 (2005 YR53)          Discovered 2005-Dec-22 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 YR53 = 2002 UX42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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