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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482183492661689 3.725e-08  
a 2.365063472907529 8.0361e-09 au
q 2.014517669043463 8.868e-08 au
i 9.268590043716056 4.2759e-06 deg
node 65.11700802991678 2.1093e-05 deg
peri 359.9897429695972 2.4388e-05 deg
M 218.8473159433698 1.3546e-05 deg
tp 2459721.393895621658
(2022-May-21.89389562)		 5.1427e-05 TDB
period 1328.503270604218
3.64		 6.7711e-06
1.854e-08		 d
yr
n .2709816437533256 1.3811e-09 deg/d
Q 2.715609276771596 9.2272e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1656  
   data-arc span      12671 days (34.69 yr)  
   first obs. used      1985-11-11  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:36  

Additional Information
 Earth MOID = 1.02747 au 
 Jupiter MOID = 2.59009 au 
 T_jup = 3.516 
[ 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 14.40   n/a E2021B10  
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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