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181275 (2005 XN8)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822596215130222 4.5904e-08  
a 3.94852096533964 6.595e-08 au
q 3.228865028660604 1.8746e-07 au
i 1.871599833790873 5.5588e-06 deg
node 244.8246814627521 0.00022274 deg
peri 230.8808493305617 0.00022393 deg
M 270.407026439747 2.5106e-05 deg
tp 2459913.716775288108
(2022-Nov-30.21677529)
0.00021287 TDB
period 2865.827853464917
7.85
7.1799e-05
1.966e-07
d
yr
n .1256181523829994 3.1472e-09 deg/d
Q 4.668176902018676 7.797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      8418 days (23.05 yr)  
   first obs. used      1997-09-28  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:57  

Additional Information
 Earth MOID = 2.24559 au 
 Jupiter MOID = .483693 au 
 T_jup = 3.030 
[ 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 15.1   n/a MPO412990  

181275 (2005 XN8)          Discovered 2005-Dec-01 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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