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201893 (2004 BR17)
Classification: Main-belt Asteroid          SPK-ID: 2201893
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06328536057256255 4.6812e-08  
a 3.169293792260325 3.941e-08 au
q 2.968723891856747 1.594e-07 au
i 11.55115619584957 5.7311e-06 deg
node 19.13940815583979 2.4433e-05 deg
peri 114.5048829007353 6.2233e-05 deg
M 318.2586928524279 5.6233e-05 deg
tp 2459239.449277190543
(2021-Jan-24.94927719)
0.00032386 TDB
period 2060.830042635573
5.64
3.844e-05
1.052e-07
d
yr
n .1746868943833912 3.2584e-09 deg/d
Q 3.369863692663904 4.1904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      6553 days (17.94 yr)  
   first obs. used      2002-11-11  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:03:11  

Additional Information
 Earth MOID = 2.0039 au 
 Jupiter MOID = 1.66794 au 
 T_jup = 3.168 
[ 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 15.0   n/a MPO454431  
diameter diameter 4.519 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201893 (2004 BR17)          Discovered 2004-Jan-18 by CSS at Catalina
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2004 BR17 = 2002 VG89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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