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173380 (2000 BL9)
Classification: Main-belt Asteroid          SPK-ID: 2173380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07992819900611155 4.5177e-08  
a 2.545947814127063 1.7653e-08 au
q 2.34245479058034 1.1328e-07 au
i 1.053604205074303 4.0761e-06 deg
node 271.7383721483858 0.00035833 deg
peri 24.57057269571718 0.00036065 deg
M 200.4510122609514 4.083e-05 deg
tp 2459658.103665580817
(2022-Mar-19.60366558)
0.00016831 TDB
period 1483.790796568959
4.06
1.5433e-05
4.225e-08
d
yr
n .2426218041198565 2.5235e-09 deg/d
Q 2.749440837673785 1.9064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7754 days (21.23 yr)  
   first obs. used      1998-10-13  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:50:14  

Additional Information
 Earth MOID = 1.32655 au 
 Jupiter MOID = 2.38111 au 
 T_jup = 3.438 
[ 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 16.8   n/a MPO454190  

173380 (2000 BL9)          Discovered 2000-Jan-26 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2000 BL9 = 2005 LP21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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