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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08721854241238489 3.6241e-08  
a 3.169671317296085 1.7237e-08 au
q 2.893217205075176 1.1578e-07 au
i 10.39352726475222 3.7327e-06 deg
node 108.954715626312 2.2008e-05 deg
peri 289.9811377507023 3.0107e-05 deg
M 207.5190057347126 2.1216e-05 deg
tp 2460073.537675948530
(2023-May-09.03767595)
0.00012382 TDB
period 2061.198281502946
5.64
1.6814e-05
4.603e-08
d
yr
n .1746556860786348 1.4247e-09 deg/d
Q 3.446125429516993 1.8741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1951  
   data-arc span      24027 days (65.78 yr)  
   first obs. used      1954-09-28  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:29:53  

Additional Information
 Earth MOID = 1.92211 au 
 Jupiter MOID = 1.92307 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 13.17   n/a E2021B10  
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. 2020-October); 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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