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18475 (1995 WM7)
Classification: Main-belt Asteroid          SPK-ID: 2018475
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112655405417406 5.7707e-08  
a 2.979122529280458 1.4836e-08 au
q 2.64350827295624 1.7693e-07 au
i 10.049372535643 3.4854e-06 deg
node 77.60766428012415 3.1536e-05 deg
peri 303.8550068980419 3.7009e-05 deg
M 34.83239165851484 1.7972e-05 deg
tp 2459214.776216697859
(2020-Dec-31.27621670)
9.3845e-05 TDB
period 1878.153031526865
5.14
1.403e-05
3.841e-08
d
yr
n .1916776716044986 1.4318e-09 deg/d
Q 3.314736785604676 1.6507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1678  
   data-arc span      9209 days (25.21 yr)  
   first obs. used      1995-11-27  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49273  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:00:50  

Additional Information
 Earth MOID = 1.66292 au 
 Jupiter MOID = 2.1537 au 
 T_jup = 3.227 
[ 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 13.80   n/a MPCxxxxx  
diameter diameter 5.757 km 0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18475 (1995 WM7)          Discovered 1995-Nov-27 by Kobayashi, T. at Oizumi
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 WM7 = 1998 FZ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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