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541041 (2018 BW9)
Classification: Main-belt Asteroid          SPK-ID: 2541041
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02675187779377139 5.9296e-08  
a 2.832812360261827 3.101e-08 au
q 2.757029310187418 1.6497e-07 au
i 6.274186868844329 6.1682e-06 deg
node 171.6799987323611 4.8146e-05 deg
peri 13.80503453303643 0.00011906 deg
M 158.050030744323 0.00010854 deg
tp 2458435.930051919430
(2018-Nov-13.43005192)
0.00052339 TDB
period 1741.506660977929
4.77
2.8596e-05
7.829e-08
d
yr
n .2067175555893911 3.3944e-09 deg/d
Q 2.908595410336237 3.184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5163 days (14.14 yr)  
   first obs. used      2006-08-28  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:21:55  

Additional Information
 Earth MOID = 1.75823 au 
 Jupiter MOID = 2.04605 au 
 T_jup = 3.303 
[ 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 16.92   n/a E2021B25  

541041 (2018 BW9)          Discovered 2011-Sep-26 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-05-29

Alternate Designations
 2018 BW9 = 2006 QQ190 = 2011 SZ156 = 2015 MB73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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