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192873 (1999 XJ27)
Classification: Main-belt Asteroid          SPK-ID: 2192873
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885466139327177 5.2154e-08  
a 2.760690964183619 1.8915e-08 au
q 2.240172030772148 1.4761e-07 au
i 12.24379259644093 4.2668e-06 deg
node 69.37394713548902 2.7332e-05 deg
peri 309.3871597089177 2.9364e-05 deg
M 236.4910737780348 1.3302e-05 deg
tp 2459775.305563257965
(2022-Jul-14.80556326)
6.469e-05 TDB
period 1675.425486259847
4.59
1.7219e-05
4.714e-08
d
yr
n .2148707913018857 2.2083e-09 deg/d
Q 3.28120989759509 2.2481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:54  

Additional Information
 Earth MOID = 1.26493 au 
 Jupiter MOID = 2.22901 au 
 T_jup = 3.283 
[ 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 15.02   n/a E2021B55  
diameter diameter 4.790 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192873 (1999 XJ27)          Discovered 1999-Dec-06 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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