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101574 (1999 BA1)
Classification: Main-belt Asteroid          SPK-ID: 2101574
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08581245294524227 8.1267e-08  
a 3.166553694962278 3.0711e-08 au
q 2.894823955014744 2.6792e-07 au
i 29.51234361158393 7.6181e-06 deg
node 50.52615328717352 9.5772e-06 deg
peri 165.8188245892005 2.9703e-05 deg
M 237.2233240419311 3.1318e-05 deg
tp 2459702.427216961763
(2022-May-02.92721696)
0.00018461 TDB
period 2058.158002196895
5.63
2.9941e-05
8.197e-08
d
yr
n .1749136847684838 2.5446e-09 deg/d
Q 3.438283434909811 3.3346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      9674 days (26.49 yr)  
   first obs. used      1994-05-04  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:45  

Additional Information
 Earth MOID = 1.88996 au 
 Jupiter MOID = 1.56117 au 
 T_jup = 2.996 
[ 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 13.5   n/a MPO314097  
diameter diameter 11.060 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101574 (1999 BA1)          Discovered 1999-Jan-17 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 BA1 = 2002 TR225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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