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26830 (1990 BB)
Classification: Main-belt Asteroid          SPK-ID: 2026830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .153616123344037 5.9116e-08  
a 2.769885310348962 1.717e-08 au
q 2.34438626686556 1.6106e-07 au
i 10.84125136520661 5.7645e-06 deg
node 283.8915415100288 2.8115e-05 deg
peri 226.4121032671744 3.1049e-05 deg
M 105.7285727632645 1.4376e-05 deg
tp 2458105.983284132268
(2017-Dec-18.48328413)
6.6278e-05 TDB
period 1683.802335164395
4.61
1.5656e-05
4.286e-08
d
yr
n .2138018177560325 1.988e-09 deg/d
Q 3.195384353832364 1.9808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      10703 days (29.30 yr)  
   first obs. used      1990-01-17  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48942  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:26:01  

Additional Information
 Earth MOID = 1.37152 au 
 Jupiter MOID = 1.9228 au 
 T_jup = 3.295 
[ 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 13.1   n/a MPO435950  
diameter diameter 9.073 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26830 (1990 BB)          Discovered 1990-Jan-17 by Suzuki, K., Urata, T. at Toyota
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 BB = 1998 XX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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