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90999 (1998 BE6)
Classification: Main-belt Asteroid          SPK-ID: 2090999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1429264185759346 8.7344e-08  
a 2.466908738324292 1.5643e-08 au
q 2.114322307401924 2.1623e-07 au
i 3.886925659723235 4.8137e-06 deg
node 98.24310738073014 0.000159 deg
peri 331.1292779126533 0.00016299 deg
M 314.8322010691544 3.873e-05 deg
tp 2459178.063819599893
(2020-Nov-24.56381960)
0.00015261 TDB
period 1415.233342537485
3.87
1.3461e-05
3.685e-08
d
yr
n .2543750130664157 2.4195e-09 deg/d
Q 2.81949516924666 1.7878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7443 days (20.38 yr)  
   first obs. used      1997-12-06  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64348  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:21:32  

Additional Information
 Earth MOID = 1.12967 au 
 Jupiter MOID = 2.4472 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO439641  
diameter diameter 2.662 km 0.856 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90999 (1998 BE6)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 BE6 = 2002 AE123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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