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JPL Small-Body Database Browser
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20177 (1996 XP29)
Classification: Main-belt Asteroid          SPK-ID: 2020177
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01448605580699411 4.0493e-08  
a 2.656447795576518 1.3062e-08 au
q 2.61796634456143 1.0884e-07 au
i 3.61953310468468 4.9987e-06 deg
node 153.2910867297323 6.443e-05 deg
peri 249.2062339273321 0.00017574 deg
M 127.3896084543732 0.00016358 deg
tp 2458040.894650746137
(2017-Oct-14.39465075)
0.00071845 TDB
period 1581.431391270396
4.33
1.1664e-05
3.193e-08
d
yr
n .2276418705150431 1.6789e-09 deg/d
Q 2.694929246591605 1.3251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      9549 days (26.14 yr)  
   first obs. used      1993-02-17  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53663  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:37:33  

Additional Information
 Earth MOID = 1.62413 au 
 Jupiter MOID = 2.33267 au 
 T_jup = 3.385 
[ 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 14.6   n/a MPO337428  
diameter diameter 6.926 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20177 (1996 XP29)          Discovered 1996-Dec-13 by Spacewatch at Kitt Peak
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 XP29 = 1998 KL23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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