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49480 (1999 BX9)
Classification: Main-belt Asteroid          SPK-ID: 2049480
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08525442881713224 4.8572e-08  
a 3.189498174685585 2.8876e-08 au
q 2.917579329589479 1.5587e-07 au
i 8.320996866031493 5.3543e-06 deg
node 313.6497682750694 2.9102e-05 deg
peri 174.7731640508351 4.0426e-05 deg
M 284.6148087488093 2.8611e-05 deg
tp 2459436.177873234156
(2021-Aug-09.67787323)
0.00016813 TDB
period 2080.568235764988
5.70
2.8255e-05
7.736e-08
d
yr
n .173029653059004 2.3498e-09 deg/d
Q 3.46141701978169 3.1338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      10143 days (27.77 yr)  
   first obs. used      1993-01-21  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:32:25  

Additional Information
 Earth MOID = 1.9326 au 
 Jupiter MOID = 1.59331 au 
 T_jup = 3.175 
[ 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 14.2   n/a MPO502485  
diameter diameter 8.960 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49480 (1999 BX9)          Discovered 1999-Jan-23 by Korlevic, K. at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BX9 = 2001 QB103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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