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91001 (1998 BY8)
Classification: Main-belt Asteroid          SPK-ID: 2091001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026736801009246 6.5259e-08  
a 2.534410813518821 1.004e-08 au
q 2.274193528407265 1.674e-07 au
i 12.24256076660612 6.0724e-06 deg
node 331.3687273254434 1.6621e-05 deg
peri 136.721978855394 3.0118e-05 deg
M 310.6697192198272 2.3449e-05 deg
tp 2459598.441246601332
(2022-Jan-18.94124660)
9.6224e-05 TDB
period 1473.716500833281
4.03
8.757e-06
2.398e-08
d
yr
n .2442803617903754 1.4515e-09 deg/d
Q 2.794628098630377 1.1071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1194  
   data-arc span      8598 days (23.54 yr)  
   first obs. used      1998-01-18  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:22  

Additional Information
 Earth MOID = 1.3057 au 
 Jupiter MOID = 2.29594 au 
 T_jup = 3.410 
[ 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 14.99   n/a E2021B10  
diameter diameter 2.878 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91001 (1998 BY8)          Discovered 1998-Jan-18 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 BY8 = 2000 QE6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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