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JPL Small-Body Database Browser
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15734 (1990 WV1)
Classification: Main-belt Asteroid          SPK-ID: 2015734
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04394033659929595 3.8537e-08  
a 2.34653685633606 9.0949e-09 au
q 2.243429237026 9.1529e-08 au
i 5.28372349085118 3.9908e-06 deg
node 131.58660358 4.9918e-05 deg
peri 2.023528071018253 7.7141e-05 deg
M 5.312037676558529 5.842e-05 deg
tp 2458981.126943605801
(2020-May-11.62694361)
0.00021305 TDB
period 1312.923726555751
3.59
7.6331e-06
2.09e-08
d
yr
n .2741971926613006 1.5941e-09 deg/d
Q 2.44964447564612 9.4945e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1362  
   data-arc span      10675 days (29.23 yr)  
   first obs. used      1990-11-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:26:44  

Additional Information
 Earth MOID = 1.25748 au 
 Jupiter MOID = 2.54714 au 
 T_jup = 3.554 
[ 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 14.9   n/a MPO412300  
diameter diameter 2.426 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.2 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.274   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15734 (1990 WV1)          Discovered 1990-Nov-18 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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