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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464772449148477 4.9884e-08  
a 2.651919334386241 1.6902e-08 au
q 2.263473496548928 1.3082e-07 au
i 3.56308848573006 4.8972e-06 deg
node 99.8086871031865 0.00010598 deg
peri 136.1554120128292 0.00010817 deg
M 30.29490966042123 2.27e-05 deg
tp 2458867.758704356601
(2020-Jan-19.25870436)
9.9073e-05 TDB
period 1577.389302931464
4.32
1.508e-05
4.129e-08
d
yr
n .2282252068851779 2.1819e-09 deg/d
Q 3.040365172223554 1.9378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      10043 days (27.50 yr)  
   first obs. used      1991-11-08  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61528  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:58:01  

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 16.0   n/a MPO432706  
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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