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150170 (1998 BW45)
Classification: Main-belt Asteroid          SPK-ID: 2150170
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2753371490655818 4.7186e-08  
a 2.665696703687524 1.1636e-08 au
q 1.931731373020682 1.2913e-07 au
i 5.897706912082513 5.1173e-06 deg
node 315.4907801645957 3.7732e-05 deg
peri 64.42801946627561 3.9152e-05 deg
M 170.4655592352078 8.5627e-06 deg
tp 2458447.753619200481
(2018-Nov-25.25361920)
3.5687e-05 TDB
period 1589.697639239359
4.35
1.0409e-05
2.85e-08
d
yr
n .2264581585289725 1.4828e-09 deg/d
Q 3.399662034354366 1.484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      8118 days (22.23 yr)  
   first obs. used      1998-01-25  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 00:21:37  

Additional Information
 Earth MOID = .94131 au 
 Jupiter MOID = 2.12125 au 
 T_jup = 3.321 
[ 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 15.44   n/a E2021B55  

150170 (1998 BW45)          Discovered 1998-Jan-25 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 1998 BW45 = 2001 TE44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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