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173571 (2001 BU29)
Classification: Main-belt Asteroid          SPK-ID: 2173571
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100204614931315 3.2618e-08  
a 2.305338825471326 1.0463e-08 au
q 2.074333236178762 7.5673e-08 au
i 5.471343926578095 3.9191e-06 deg
node 126.8463674658549 3.8159e-05 deg
peri 345.0143811953822 4.4117e-05 deg
M 308.601708205852 2.3384e-05 deg
tp 2459579.035255683046
(2021-Dec-30.53525568)
8.3743e-05 TDB
period 1278.49953280701
3.50
8.7039e-06
2.383e-08
d
yr
n .2815800794307698 1.917e-09 deg/d
Q 2.53634441476389 1.1512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      7221 days (19.77 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:57:36  

Additional Information
 Earth MOID = 1.09176 au 
 Jupiter MOID = 2.53674 au 
 T_jup = 3.576 
[ 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 16.78   n/a E2021B55  
rotation period rot_per 2.39 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

173571 (2001 BU29)          Discovered 2001-Jan-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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