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JPL Small-Body Database Browser
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20176 (1996 XK29)
Classification: Main-belt Asteroid          SPK-ID: 2020176
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488396897705929 3.8026e-08  
a 2.364277190555887 9.2011e-09 au
q 2.01237890698186 9.0569e-08 au
i 9.271708147658654 4.3655e-06 deg
node 65.12222170197222 2.6561e-05 deg
peri .09785952437384068 3.0965e-05 deg
M 56.03760902936982 1.5234e-05 deg
tp 2458393.808264657785
(2018-Oct-02.30826466)
5.5956e-05 TDB
period 1327.840819978575
3.64
7.7513e-06
2.122e-08
d
yr
n .2711168346261629 1.5827e-09 deg/d
Q 2.716175474129915 1.0571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      12227 days (33.48 yr)  
   first obs. used      1985-11-11  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:49:53  

Additional Information
 Earth MOID = 1.02567 au 
 Jupiter MOID = 2.58908 au 
 T_jup = 3.517 
[ 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 14.3   n/a MPO333005  
diameter diameter 3.960 km 0.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20176 (1996 XK29)          Discovered 1996-Dec-13 by Spacewatch at Kitt Peak
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 XK29 = 1985 VY3 = 1998 HJ83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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