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173515 (2000 UY79)
Classification: Main-belt Asteroid          SPK-ID: 2173515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835115774860371 5.129e-08  
a 2.243249517711545 1.0869e-08 au
q 1.831587260021508 1.1556e-07 au
i 3.970475983236527 4.9683e-06 deg
node 37.69544908371208 7.3715e-05 deg
peri 333.2051195614675 7.5018e-05 deg
M 329.9653522073824 1.7655e-05 deg
tp 2459102.884648621336
(2020-Sep-10.38464862)
6.0694e-05 TDB
period 1227.198459531819
3.36
8.9187e-06
2.442e-08
d
yr
n .2933510853145477 2.1319e-09 deg/d
Q 2.654911775401583 1.2863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      7218 days (19.76 yr)  
   first obs. used      2000-10-24  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:04:39  

Additional Information
 Earth MOID = .832675 au 
 Jupiter MOID = 2.80809 au 
 T_jup = 3.607 
[ 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 16.7   n/a MPO433114  
diameter diameter 1.279 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 17.784 h n/a LCDB (Rev. 2019-August); 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 0.166   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173515 (2000 UY79)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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