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13629 (1995 WD2)
Classification: Main-belt Asteroid          SPK-ID: 2013629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650518204282612 3.9221e-08  
a 2.327386163060467 7.858e-09 au
q 1.943246840007791 9.0872e-08 au
i 2.328794113388171 3.9694e-06 deg
node 222.7882925709071 0.00011249 deg
peri 263.6541345106358 0.00011326 deg
M 170.5288497701494 1.4252e-05 deg
tp 2457986.177445037840
(2017-Aug-20.67744504)
4.9787e-05 TDB
period 1296.883900199099
3.55
6.5681e-06
1.798e-08
d
yr
n .2775884564105797 1.4058e-09 deg/d
Q 2.711525486113143 9.155e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1207  
   data-arc span      15389 days (42.13 yr)  
   first obs. used      1977-10-18  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:36:42  

Additional Information
 Earth MOID = .960519 au 
 Jupiter MOID = 2.35548 au 
 T_jup = 3.554 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO247485  
diameter diameter 3.186 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.91630 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.209   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13629 (1995 WD2)          Discovered 1995-Nov-18 by Kobayashi, T. at Oizumi
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WD2 = 1977 UZ4 = 1982 BT11 = 1991 TU7 = 1993 FX24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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