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52485 (1995 WD)
Classification: Main-belt Asteroid          SPK-ID: 2052485
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524564014335537 5.1799e-08  
a 2.21796578148272 7.4011e-09 au
q 1.879822699935105 1.1629e-07 au
i 7.786345138676566 4.8002e-06 deg
node 64.82787054923946 3.0758e-05 deg
peri 329.6517451540208 3.292e-05 deg
M 170.2821643886502 1.1657e-05 deg
tp 2458429.813827074342
(2018-Nov-07.31382707)
3.8488e-05 TDB
period 1206.50934283597
3.30
6.039e-06
1.653e-08
d
yr
n .2983814440705442 1.4935e-09 deg/d
Q 2.556108863030335 8.5294e-09 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      8961 days (24.53 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:03:59  

Additional Information
 Earth MOID = .891711 au 
 Jupiter MOID = 2.8579 au 
 T_jup = 3.625 
[ 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 15.6   n/a MPO468403  
diameter diameter 2.355 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.220   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52485 (1995 WD)          Discovered 1995-Nov-16 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 WD = 2000 EP184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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