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18482 (1995 YO)
Classification: Main-belt Asteroid          SPK-ID: 2018482
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0871973264632192 3.7032e-08  
a 3.169651857282338 1.8977e-08 au
q 2.89326668950814 1.1893e-07 au
i 10.39348130727451 4.3073e-06 deg
node 108.9551897080688 2.2241e-05 deg
peri 290.0855177542772 3.2846e-05 deg
M 172.4634854920367 2.3575e-05 deg
tp 2458013.060649342764
(2017-Sep-16.56064934)
0.00013418 TDB
period 2061.179299620608
5.64
1.851e-05
5.068e-08
d
yr
n .1746572945237047 1.5685e-09 deg/d
Q 3.446037025056535 2.0631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      23598 days (64.61 yr)  
   first obs. used      1954-09-28  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48964  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:36:23  

Additional Information
 Earth MOID = 1.92311 au 
 Jupiter MOID = 1.92243 au 
 T_jup = 3.171 
[ 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 13.1   n/a MPO344449  
diameter diameter 14.281 km 0.403 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.743 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 0.072   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18482 (1995 YO)          Discovered 1995-Dec-19 by Kobayashi, T. at Oizumi
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 YO = 1993 OZ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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