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49264 (1998 UC)
Classification: Main-belt Asteroid          SPK-ID: 2049264
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 .251987504743011 5.7483e-08  
a 2.368737696432398 1.3654e-08 au
q 1.77184539491769 1.3491e-07 au
i 24.61656310639533 6.3829e-06 deg
node 244.1696294783048 1.3462e-05 deg
peri 222.2125780688957 1.6563e-05 deg
M 158.9545096686876 1.2407e-05 deg
tp 2458012.544798107752
(2017-Sep-16.04479811)
4.3103e-05 TDB
period 1331.600299496913
3.65
1.1514e-05
3.152e-08
d
yr
n .2703513960878579 2.3376e-09 deg/d
Q 2.965629997947107 1.7095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      11176 days (30.60 yr)  
   first obs. used      1987-10-15  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5513  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 14:49:42  

Additional Information
 Earth MOID = .836377 au 
 Jupiter MOID = 2.43386 au 
 T_jup = 3.384 
[ 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 14.8   n/a MPO344669  
diameter diameter 4.931 km 1.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.094   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

49264 (1998 UC)          Discovered 1998-Oct-16 by CSS at Catalina
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 UC = 1991 XK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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