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JPL Small-Body Database Browser
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16135 Ivarsson (1999 XY104)
Classification: Main-belt Asteroid          SPK-ID: 2016135
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574157293439702 4.1232e-08  
a 2.801595328998703 1.2483e-08 au
q 2.360580156957712 1.1689e-07 au
i 3.310111817753832 4.4948e-06 deg
node 4.005999481524219 7.0018e-05 deg
peri 334.8166769793307 7.1051e-05 deg
M 189.4848456423242 1.4071e-05 deg
tp 2459811.772987206564
(2022-Aug-20.27298721)
6.8918e-05 TDB
period 1712.799525030697
4.69
1.1448e-05
3.134e-08
d
yr
n .210182216154893 1.4048e-09 deg/d
Q 3.242610501039694 1.4449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1717  
   data-arc span      12523 days (34.29 yr)  
   first obs. used      1985-10-22  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:35:19  

Additional Information
 Earth MOID = 1.35227 au 
 Jupiter MOID = 2.14367 au 
 T_jup = 3.304 
[ 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 13.9   n/a MPO337395  
diameter diameter 8.227 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.273 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Clark, M. (2014) Minor Planet Bull. 41, 178-183.]
geometric albedo albedo 0.072   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16135 Ivarsson           Discovered 1999 Dec. 9 by C. W. Juels at Fountain Hills.
Karl R. Ivarsson (b. 1939) was a vertical transportation specialist in Los Angeles for 37 years. He helped design and construct roll-off structures at the Fountain Hills Observatory in Arizona, where this minor planet was discovered.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1999 XY104 = 1985 UT1 = 1992 DA3 = 1997 EE3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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