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55860 (1997 BQ6)
Classification: Main-belt Asteroid          SPK-ID: 2055860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212748285080542 3.9738e-08  
a 3.197013806619204 2.143e-08 au
q 2.809296505483579 1.2384e-07 au
i .9045937552412975 4.8446e-06 deg
node 57.87097301099756 0.00027356 deg
peri 98.26109395485564 0.00027428 deg
M 82.17150645659642 1.919e-05 deg
tp 2458919.922052180323
(2020-Mar-11.42205218)
0.00011073 TDB
period 2087.926443282467
5.72
2.0994e-05
5.748e-08
d
yr
n .1724198671644953 1.7337e-09 deg/d
Q 3.58473110775483 2.4029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      10652 days (29.16 yr)  
   first obs. used      1992-05-01  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54655  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:18:59  

Additional Information
 Earth MOID = 1.81992 au 
 Jupiter MOID = 1.40025 au 
 T_jup = 3.183 
[ 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 15.20   n/a E2021B10  
diameter diameter 5.571 km 0.886 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.85 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.039   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

55860 (1997 BQ6)          Discovered 1997-Jan-31 by Sarounova, L. at Ondrejov
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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