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227023 (2004 XG180)
Classification: Main-belt Asteroid          SPK-ID: 2227023
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 .1119337435889349 5.2278e-08  
a 3.096086377940604 3.1321e-08 au
q 2.749529839183006 1.7726e-07 au
i 11.26828331993982 4.8787e-06 deg
node 284.2537342688021 2.6481e-05 deg
peri 164.8776832868162 3.7936e-05 deg
M 340.1925147892723 2.4205e-05 deg
tp 2459309.982541214627
(2021-Apr-05.48254121)
0.00013363 TDB
period 1989.839417672233
5.45
3.0195e-05
8.267e-08
d
yr
n .1809191218159391 2.7453e-09 deg/d
Q 3.442642916698202 3.4827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      6297 days (17.24 yr)  
   first obs. used      2003-10-19  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:32  

Additional Information
 Earth MOID = 1.76758 au 
 Jupiter MOID = 1.74995 au 
 T_jup = 3.184 
[ 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 15.3   n/a MPO494246  
diameter diameter 4.812 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227023 (2004 XG180)          Discovered 2004-Dec-14 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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