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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524112132952398 5.181e-08  
a 2.218134841580808 7.3564e-09 au
q 1.880066219123033 1.1639e-07 au
i 7.786015110329982 4.7949e-06 deg
node 64.82769285325998 3.0474e-05 deg
peri 329.6019901873563 3.2565e-05 deg
M 230.0187487018612 1.1609e-05 deg
tp 2459636.170902176102
(2022-Feb-25.67090218)
3.9579e-05 TDB
period 1206.64729118239
3.30
6.0027e-06
1.643e-08
d
yr
n .2983473320088732 1.4842e-09 deg/d
Q 2.556203464038584 8.4776e-09 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49318  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:42  

Additional Information
 Earth MOID = .890905 au 
 Jupiter MOID = 2.85888 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)  
rotation period rot_per 199.779 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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