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120483 (1993 BW8)
Classification: Main-belt Asteroid          SPK-ID: 2120483
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464772167655422 4.9433e-08  
a 2.651919337214371 1.6598e-08 au
q 2.263473573612489 1.2948e-07 au
i 3.56309347878635 4.8493e-06 deg
node 99.80869827568384 0.00010273 deg
peri 136.1553919551485 0.00010486 deg
M 30.29492139561405 2.2143e-05 deg
tp 2458867.758652724904
(2020-Jan-19.25865272)
9.6633e-05 TDB
period 1577.389305454767
4.32
1.4809e-05
4.054e-08
d
yr
n .2282252065200928 2.1427e-09 deg/d
Q 3.040365100816254 1.9029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      10471 days (28.67 yr)  
   first obs. used      1991-11-08  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61751  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:54  

Additional Information
 Earth MOID = 1.25337 au 
 Jupiter MOID = 1.96237 au 
 T_jup = 3.372 
[ 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 16.05   n/a E2021B55  
diameter diameter 3.910 km 1.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120483 (1993 BW8)          Discovered 1993-Jan-21 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1993 BW8 = 1998 HR96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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