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JPL Small-Body Database Browser
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25549 Jonsauer (1999 XZ167)
Classification: Main-belt Asteroid          SPK-ID: 2025549
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1264311454711963 3.7693e-08  
a 2.411503833184941 9.3223e-09 au
q 2.106614641247188 9.1812e-08 au
i 5.107350048381869 4.046e-06 deg
node 41.60956612015208 4.6677e-05 deg
peri 95.02315679518321 4.9941e-05 deg
M 13.72322758847763 1.6037e-05 deg
tp 2458548.358427236040
(2019-Mar-05.85842724)
6.0951e-05 TDB
period 1367.824447565536
3.74
7.9315e-06
2.172e-08
d
yr
n .2631916695455551 1.5262e-09 deg/d
Q 2.716393025122693 1.0501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      12594 days (34.48 yr)  
   first obs. used      1984-11-27  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:48:48  

Additional Information
 Earth MOID = 1.12797 au 
 Jupiter MOID = 2.31702 au 
 T_jup = 3.503 
[ 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 15.1   n/a MPO333054  
diameter diameter 5.072 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.124 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.069   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

25549 Jonsauer           Discovered 1999 Dec. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jonothon Sauer mentored a finalist in the 2009 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the William Mason High School, Mason, Ohio.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090311/MPCPages.arcLast Updated: 2009-03-12

Alternate Designations
 1999 XZ167 = 1984 WX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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