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5330 Senrikyu (1990 BQ1)
Classification: Main-belt Asteroid          SPK-ID: 2005330
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567301619371072 6.4872e-08  
a 2.763332911048301 1.3115e-08 au
q 2.330235296413563 1.7565e-07 au
i 33.75238056936332 6.1823e-06 deg
node 307.6493226110641 7.761e-06 deg
peri 20.64152466409642 1.4982e-05 deg
M 16.29588449052046 1.3217e-05 deg
tp 2458924.550717061054
(2020-Mar-16.05071706)
6.1443e-05 TDB
period 1677.831103547989
4.59
1.1945e-05
3.27e-08
d
yr
n .2145627168543567 1.5276e-09 deg/d
Q 3.19643052568304 1.5171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2422  
   data-arc span      11243 days (30.78 yr)  
   first obs. used      1990-01-21  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:21:49  

Additional Information
 Earth MOID = 1.3294 au 
 Jupiter MOID = 2.14292 au 
 T_jup = 3.080 
[ 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 12.3   n/a MPO435749  
diameter diameter 16.541 km 0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.44 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:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.123   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5330 Senrikyu (1990 BQ1)          Discovered 1990-Jan-21 by Sugie, A. at Dynic
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 BQ1 = 1951 RD2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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