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101575 (1999 BD2)
Classification: Main-belt Asteroid          SPK-ID: 2101575
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2599357117159269 3.9772e-08  
a 2.344944881728301 1.1029e-08 au
q 1.735409964961635 9.5857e-08 au
i 21.80386640951568 4.8629e-06 deg
node 164.9174287715782 1.1241e-05 deg
peri 299.2635613076767 1.4517e-05 deg
M 341.4997449184648 1.2028e-05 deg
tp 2459067.901971707684
(2020-Aug-06.40197171)
4.4105e-05 TDB
period 1311.587851509379
3.59
9.253e-06
2.533e-08
d
yr
n .2744764672726351 1.9364e-09 deg/d
Q 2.954479798494966 1.3896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      7957 days (21.79 yr)  
   first obs. used      1999-01-18  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:45  

Additional Information
 Earth MOID = .835577 au 
 Jupiter MOID = 2.35869 au 
 T_jup = 3.423 
[ 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 15.3   n/a MPO299591  
diameter diameter 2.174 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.341   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101575 (1999 BD2)          Discovered 1999-Jan-18 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 BD2 = 2001 RB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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