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JPL Small-Body Database Browser
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20175 (1996 XJ27)
Classification: Main-belt Asteroid          SPK-ID: 2020175
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09581868786467312 4.2665e-08  
a 2.635284911883683 1.3337e-08 au
q 2.382775369477418 1.1595e-07 au
i 11.34731245808831 3.784e-06 deg
node 127.4720070484995 2.3632e-05 deg
peri 112.7711278441336 3.2455e-05 deg
M 324.094327925278 2.133e-05 deg
tp 2458756.347682847512
(2019-Sep-29.84768285)		 9.2581e-05 TDB
period 1562.571108774842
4.28		 1.1862e-05
3.248e-08		 d
yr
n .2303895150616625 1.7489e-09 deg/d
Q 2.887794454289949 1.4615e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1368  
   data-arc span      8191 days (22.43 yr)  
   first obs. used      1996-12-07  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:49:53  

Additional Information
 Earth MOID = 1.39569 au 
 Jupiter MOID = 2.21518 au 
 T_jup = 3.364 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO337428  
diameter diameter 9.915 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20175 (1996 XJ27)          Discovered 1996-Dec-07 by Spacewatch at Kitt Peak
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 XJ27 = 1999 RG231 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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