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90218 (2003 BC)
Classification: Main-belt Asteroid          SPK-ID: 2090218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2396061510297196 4.5682e-08  
a 3.141450134217833 1.7401e-08 au
q 2.388739358906102 1.3942e-07 au
i 17.29382764448515 5.1301e-06 deg
node 336.3255250851968 1.7054e-05 deg
peri 223.6330786916736 1.9802e-05 deg
M 82.75770643423691 9.6945e-06 deg
tp 2458928.980609969837
(2020-Mar-20.48060997)
5.4269e-05 TDB
period 2033.73181378103
5.57
1.6898e-05
4.626e-08
d
yr
n .1770144900918391 1.4708e-09 deg/d
Q 3.894160909529564 2.1571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      7982 days (21.85 yr)  
   first obs. used      1999-10-02  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53304  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:00:33  

Additional Information
 Earth MOID = 1.42024 au 
 Jupiter MOID = 1.28646 au 
 T_jup = 3.097 
[ 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 13.75   n/a MPO637228  
diameter diameter 5.752 km 1.684 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90218 (2003 BC)          Discovered 2003-Jan-16 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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