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JPL Small-Body Database Browser
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55667 (6691 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2055667
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09641383714838647 4.6977e-08  
a 2.389223068098217 9.922e-09 au
q 2.158868904299427 1.0962e-07 au
i 6.222519415880339 5.0993e-06 deg
node 14.97988617007712 3.1339e-05 deg
peri 143.4886208723884 3.7562e-05 deg
M 152.762655878005 2.2419e-05 deg
tp 2458028.101910929024
(2017-Oct-01.60191093)
8.246e-05 TDB
period 1348.911557482425
3.69
8.4027e-06
2.301e-08
d
yr
n .266881841143014 1.6625e-09 deg/d
Q 2.619577231897007 1.0879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1309  
   data-arc span      21574 days (59.07 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53343  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:09:50  

Additional Information
 Earth MOID = 1.17102 au 
 Jupiter MOID = 2.35922 au 
 T_jup = 3.519 
[ 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 14.7   n/a MPO347896  
diameter diameter 2.683 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 58.545 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 0.389   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

55667 (6691 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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