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18483 (1995 YY2)
Classification: Main-belt Asteroid          SPK-ID: 2018483
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .244290693049371 4.0491e-08  
a 3.132851133636426 1.9515e-08 au
q 2.367524758979877 1.3164e-07 au
i 10.81147879178935 4.1361e-06 deg
node 100.13708615 2.4813e-05 deg
peri 267.8558037693646 2.6127e-05 deg
M 251.9403127362102 1.0647e-05 deg
tp 2459808.451970386811
(2022-Aug-16.95197039)
6.3787e-05 TDB
period 2025.38721776027
5.55
1.8925e-05
5.181e-08
d
yr
n .1777437898507615 1.6608e-09 deg/d
Q 3.898177508292976 2.4282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1488  
   data-arc span      23828 days (65.24 yr)  
   first obs. used      1955-10-23  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:29:54  

Additional Information
 Earth MOID = 1.39541 au 
 Jupiter MOID = 1.74029 au 
 T_jup = 3.139 
[ 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 13.23   n/a E2021B10  
diameter diameter 15.117 km 0.400 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18483 (1995 YY2)          Discovered 1995-Dec-26 by Kobayashi, T. at Oizumi
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 YY2 = 1955 UZ1 = 1989 WH6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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