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190124 (2004 XR16)
Classification: Main-belt Asteroid          SPK-ID: 2190124
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488907886200538 4.0325e-08  
a 2.983556586175348 2.5962e-08 au
q 2.539332493167145 1.1441e-07 au
i 11.55585807993264 4.5624e-06 deg
node 107.9041447699603 2.4442e-05 deg
peri 321.2977735697434 3.2011e-05 deg
M 36.61514599880595 1.864e-05 deg
tp 2459009.048790254844
(2020-Jun-08.54879025)		 9.7302e-05 TDB
period 1882.347690502278
5.15		 2.457e-05
6.727e-08		 d
yr
n .1912505334781902 2.4963e-09 deg/d
Q 3.427780679183551 2.9828e-08 au
   Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      2000-01-05  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:02:09  

Additional Information
 Earth MOID = 1.56515 au 
 Jupiter MOID = 1.86342 au 
 T_jup = 3.211 
[ 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 15.5   n/a MPO418022  
diameter diameter 2.991 km 0.437 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.125   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190124 (2004 XR16)          Discovered 2004-Dec-10 by Ferrando, R. at Pla D'Arguines
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

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