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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09972970111848888 3.3274e-08  
a 2.306714072573983 1.0777e-08 au
q 2.076666167550368 7.6794e-08 au
i 5.470520339922124 3.9441e-06 deg
node 126.8439475260439 4.171e-05 deg
peri 344.7226273046593 4.8002e-05 deg
M 197.4195909403157 2.408e-05 deg
tp 2459578.402782768574
(2021-Dec-29.90278277)
8.7476e-05 TDB
period 1279.643734444732
3.50
8.9679e-06
2.455e-08
d
yr
n .2813283028000076 1.9716e-09 deg/d
Q 2.536761977597599 1.1852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:05:04  

Additional Information
 Earth MOID = 1.09375 au 
 Jupiter MOID = 2.53776 au 
 T_jup = 3.575 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457378.5 (2015-Dec-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003022276552302 3.319e-08  
q 2.074314915795175 7.6702e-08 au
tp 2457018.053378784922
(2014-Dec-26.55337879)
7.9665e-05 TDB
node 126.8848223741541 4.1767e-05 deg
peri 344.1625684295901 4.7993e-05 deg
i 5.467580777677362 3.9417e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:05:04  

Additional Information
 Jupiter MOID = 2.53776 au 
 T_jup = 3.575 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.101576772148467E-15 -2.525621643932169E-15 3.39570295096649E-13 -7.482628803262841E-15 9.514686759298463E-14 -7.864775235323368E-16
q -2.525621643932169E-15 5.883152931355456E-15 -5.346861392761546E-13 1.741846799702629E-14 -1.416875854925534E-13 1.868314374564836E-15
tp 3.39570295096649E-13 -5.346861392761546E-13 6.346575930585367E-9 -8.513293388502118E-12 1.89770767044756E-9 -3.65688463214339E-12
node -7.482628803262841E-15 1.741846799702629E-14 -8.513293388502118E-12 1.744509795995914E-9 -1.738556434022045E-9 2.757555310290321E-11
peri 9.514686759298463E-14 -1.416875854925534E-13 1.89770767044756E-9 -1.738556434022045E-9 2.303332260364175E-9 -2.851799872723525E-11
i -7.864775235323368E-16 1.868314374564836E-15 -3.65688463214339E-12 2.757555310290321E-11 -2.851799872723525E-11 1.553731280428069E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO436861  
rotation period rot_per 2.39 h n/a LCDB (Rev. 2019-August); 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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