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192904 (1999 XG185)
Classification: Main-belt Asteroid          SPK-ID: 2192904
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 .3206886947906668 4.9574e-08  
a 2.799645974821828 1.777e-08 au
q 1.901831161280272 1.3643e-07 au
i 6.496603854680473 5.7379e-06 deg
node 341.5299106076447 4.6168e-05 deg
peri 61.92686957581842 4.7097e-05 deg
M 187.5946557104821 9.7779e-06 deg
tp 2460019.910123767082
(2023-Mar-16.41012377)
5.1725e-05 TDB
period 1711.012183362373
4.68
1.629e-05
4.46e-08
d
yr
n .2104017747509843 2.0032e-09 deg/d
Q 3.697460788363384 2.3468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      8839 days (24.20 yr)  
   first obs. used      1996-02-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:02  

Additional Information
 Earth MOID = .91963 au 
 Jupiter MOID = 1.80458 au 
 T_jup = 3.239 
[ 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 15.99   n/a MPCxxxxx  
diameter diameter 3.808 km 1.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.053   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

192904 (1999 XG185)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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