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49403 (1998 XE45)
Classification: Main-belt Asteroid          SPK-ID: 2049403
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603113056449126 4.3858e-08  
a 2.688367696411826 1.5334e-08 au
q 2.25739196094644 1.1806e-07 au
i 14.70660683756271 5.1006e-06 deg
node 72.08094471523276 2.0091e-05 deg
peri 1.617014478167373 2.6022e-05 deg
M 234.6324078550247 1.8338e-05 deg
tp 2459161.178900752666
(2020-Nov-07.67890075)
8.4235e-05 TDB
period 1610.020586800028
4.41
1.3775e-05
3.771e-08
d
yr
n .2235996253411346 1.913e-09 deg/d
Q 3.119343431877212 1.7792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      10892 days (29.82 yr)  
   first obs. used      1989-12-01  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54652  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:41:04  

Additional Information
 Earth MOID = 1.27212 au 
 Jupiter MOID = 2.1792 au 
 T_jup = 3.308 
[ 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 14.1   n/a MPO493207  
diameter diameter 4.693 km 0.900 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.506   0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49403 (1998 XE45)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XE45 = 1989 XO2 = 2000 GO91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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