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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138468955055451 6.7171e-08  
a 2.984042850652775 2.0349e-08 au
q 2.64431883605044 2.0073e-07 au
i 10.05463365915542 4.8716e-06 deg
node 77.62950537641311 3.3439e-05 deg
peri 302.9127532202578 3.9008e-05 deg
M 243.3763963626459 2.0764e-05 deg
tp 2459210.444003341354
(2020-Dec-26.94400334)
0.00011047 TDB
period 1882.8078909796
5.15
1.9259e-05
5.273e-08
d
yr
n .1912037875583242 1.9558e-09 deg/d
Q 3.323766865255111 2.2665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      8201 days (22.45 yr)  
   first obs. used      1995-11-27  
   last obs. used      2018-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52683  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:49:12  

Additional Information
 Earth MOID = 1.66387 au 
 Jupiter MOID = 2.14656 au 
 T_jup = 3.225 
[ 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 13.8   n/a MPO474010  
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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