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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1549456461767368 5.7553e-08  
a 2.766495652209377 1.6133e-08 au
q 2.337839195732662 1.5641e-07 au
i 10.84646492970235 5.6633e-06 deg
node 283.8927844123065 2.7006e-05 deg
peri 226.1988485535043 2.9839e-05 deg
M 191.5232274556885 1.438e-05 deg
tp 2459787.058354672283
(2022-Jul-26.55835467)
6.9834e-05 TDB
period 1680.712441280575
4.60
1.4702e-05
4.025e-08
d
yr
n .2141948801936085 1.8737e-09 deg/d
Q 3.195152108686092 1.8633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1432  
   data-arc span      11109 days (30.41 yr)  
   first obs. used      1990-01-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:30:06  

Additional Information
 Earth MOID = 1.36451 au 
 Jupiter MOID = 1.92155 au 
 T_jup = 3.296 
[ 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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