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49030 (1998 QL103)
Classification: Main-belt Asteroid          SPK-ID: 2049030
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05878242962885465 4.6325e-08  
a 2.187953928394863 7.3062e-09 au
q 2.059340680567816 1.0075e-07 au
i 4.37248013698933 3.4835e-06 deg
node 83.20580849038375 5.7693e-05 deg
peri 73.07860825246175 6.368e-05 deg
M 97.58000228944 2.6898e-05 deg
tp 2458680.084136598573
(2019-Jul-15.58413660)
8.8265e-05 TDB
period 1182.103997931519
3.24
5.9211e-06
1.621e-08
d
yr
n .3045417329016218 1.5254e-09 deg/d
Q 2.31656717622191 7.7357e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      10150 days (27.79 yr)  
   first obs. used      1992-11-27  
   last obs. used      2020-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:34:37  

Additional Information
 Earth MOID = 1.07382 au 
 Jupiter MOID = 2.6618 au 
 T_jup = 3.669 
[ 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 15.4   n/a MPO359069  
diameter diameter 1.973 km 0.498 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.414   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49030 (1998 QL103)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QL103 = 1995 UU34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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