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181276 (2005 XN28)
Classification: Main-belt Asteroid          SPK-ID: 2181276
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114536344988639 4.4945e-08  
a 3.06709628546311 3.0903e-08 au
q 2.715802287197934 1.2749e-07 au
i 10.6064614522084 4.4158e-06 deg
node 112.0290742596369 2.7426e-05 deg
peri 144.26966162592 3.7807e-05 deg
M 92.23205292225487 2.3754e-05 deg
tp 2458697.846262051839
(2019-Aug-02.34626205)
0.00013213 TDB
period 1961.957258111458
5.37
2.9652e-05
8.118e-08
d
yr
n .1834902358405753 2.7732e-09 deg/d
Q 3.418390283728286 3.4442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1998-06-16  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:57  

Additional Information
 Earth MOID = 1.70682 au 
 Jupiter MOID = 1.70976 au 
 T_jup = 3.196 
[ 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 15.03   n/a MPCxxxxx  
diameter diameter 4.436 km 0.674 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.098   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

181276 (2005 XN28)          Discovered 2005-Dec-01 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 XN28 = 2003 KH30 = 2003 LN9 = 2007 CY58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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