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JPL Small-Body Database Browser
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49491 (1999 BW25)
Classification: Main-belt Asteroid          SPK-ID: 2049491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650355078046995 3.4681e-08  
a 2.673256245174113 9.6448e-09 au
q 2.232074043259719 9.4391e-08 au
i 10.32732391351629 3.6105e-06 deg
node 164.8508744461682 1.8868e-05 deg
peri 218.2103259094622 2.0977e-05 deg
M 310.1148514572715 8.5399e-06 deg
tp 2458821.721881134092
(2019-Dec-04.22188113)
3.7874e-05 TDB
period 1596.464670042197
4.37
8.6397e-06
2.365e-08
d
yr
n .2254982567139958 1.2204e-09 deg/d
Q 3.114438447088507 1.1236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-03-18  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:20:29  

Additional Information
 Earth MOID = 1.24305 au 
 Jupiter MOID = 2.36737 au 
 T_jup = 3.337 
[ 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 13.4   n/a MPO266186  
diameter diameter 11.279 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49491 (1999 BW25)          Discovered 1999-Jan-18 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BW25 = 2000 EF26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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