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JPL Small-Body Database Browser
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49833 (1999 XB84)
Classification: Main-belt Asteroid          SPK-ID: 2049833
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691247228008263 3.5211e-08  
a 2.417589749022866 1.1245e-08 au
q 2.008715552873255 8.5013e-08 au
i 3.965266003955794 5.0518e-06 deg
node 116.2316370789693 6.5336e-05 deg
peri 299.3210417444955 6.7474e-05 deg
M 82.41920357244462 1.812e-05 deg
tp 2458286.161013952129
(2018-Jun-16.66101395)		 6.8248e-05 TDB
period 1373.00568401837
3.76		 9.5798e-06
2.623e-08		 d
yr
n .2621984775375362 1.8294e-09 deg/d
Q 2.826463945172478 1.3147e-08 au
   Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      8512 days (23.30 yr)  
   first obs. used      1995-11-16  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57388  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:52:28  

Additional Information
 Earth MOID = 1.02367 au 
 Jupiter MOID = 2.5178 au 
 T_jup = 3.493 
[ 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 15.7   n/a MPO337656  
diameter diameter 4.282 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49833 (1999 XB84)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XB84 = 1995 WR2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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