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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523600738029404 5.2547e-08  
a 2.218451842608572 8.1345e-09 au
q 1.880448356140461 1.1839e-07 au
i 7.786395819878995 5.5406e-06 deg
node 64.83213596635831 3.1658e-05 deg
peri 329.7413695977464 3.5539e-05 deg
M 50.84979396484466 1.4074e-05 deg
tp 2458430.025222559860
(2018-Nov-07.52522256)
4.7282e-05 TDB
period 1206.905969390548
3.30
6.6381e-06
1.817e-08
d
yr
n .2982833867180136 1.6406e-09 deg/d
Q 2.556455329076683 9.3739e-09 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      8485 days (23.23 yr)  
   first obs. used      1995-11-16  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49853  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:06:20  

Additional Information
 Earth MOID = .891732 au 
 Jupiter MOID = 2.85597 au 
 T_jup = 3.624 
[ 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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