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227019 (2004 XN149)
Classification: Main-belt Asteroid          SPK-ID: 2227019
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426503201700865 4.7095e-08  
a 3.112410723166476 2.6318e-08 au
q 2.668424337005967 1.5359e-07 au
i 2.09083084536939 5.2231e-06 deg
node 51.27288848123388 0.00014229 deg
peri 68.19167622290172 0.00014379 deg
M 315.554457965806 2.0074e-05 deg
tp 2459448.110745356451
(2021-Aug-21.61074536)
0.00011311 TDB
period 2005.597507613767
5.49
2.5439e-05
6.965e-08
d
yr
n .1794976303238047 2.2767e-09 deg/d
Q 3.556397109326983 3.0072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      10332 days (28.29 yr)  
   first obs. used      1992-10-03  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52884  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:07  

Additional Information
 Earth MOID = 1.68529 au 
 Jupiter MOID = 1.52903 au 
 T_jup = 3.202 
[ 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 16.08   n/a MPCxxxxx  
diameter diameter 3.039 km 1.000 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227019 (2004 XN149)          Discovered 2004-Dec-15 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 XN149 = 2003 UP42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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