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100521 (1997 BX5)
Classification: Main-belt Asteroid          SPK-ID: 2100521
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05895795102048393 4.7795e-08  
a 3.136971725658305 2.6787e-08 au
q 2.952022300304299 1.5379e-07 au
i 6.971688539344916 4.4416e-06 deg
node 123.0784343107313 5.4976e-05 deg
peri 311.0389943223603 7.628e-05 deg
M 114.5225703032939 5.2992e-05 deg
tp 2458354.915761008339
(2018-Aug-24.41576101)
0.00029679 TDB
period 2029.384473484117
5.56
2.5994e-05
7.117e-08
d
yr
n .1773936899112762 2.2722e-09 deg/d
Q 3.321921151012309 2.8366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      8514 days (23.31 yr)  
   first obs. used      1997-01-26  
   last obs. used      2020-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:45  

Additional Information
 Earth MOID = 1.97327 au 
 Jupiter MOID = 1.8444 au 
 T_jup = 3.197 
[ 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 14.87   n/a E2021B55  

100521 (1997 BX5)          Discovered 1997-Jan-26 by Galad, A., Pravda, A. at Modra
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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