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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09658817889227783 2.8538e-08  
a 2.635021188214304 1.0465e-08 au
q 2.380509290302118 7.3073e-08 au
i 11.35346198393415 3.5964e-06 deg
node 127.451761352241 1.6663e-05 deg
peri 112.1392534436781 2.75e-05 deg
M 102.8532655002751 2.0938e-05 deg
tp 2458754.134954078929
(2019-Sep-27.63495408)		 9.0933e-05 TDB
period 1562.336555382927
4.28		 9.3075e-06
2.548e-08		 d
yr
n .2304241034107816 1.3727e-09 deg/d
Q 2.889533086126489 1.1476e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1810  
   data-arc span      8809 days (24.12 yr)  
   first obs. used      1996-12-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:34  

Additional Information
 Earth MOID = 1.39265 au 
 Jupiter MOID = 2.21106 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 14.08   n/a E2021B10  
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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