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49282 (1998 UA24)
Classification: Main-belt Asteroid          SPK-ID: 2049282
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952347458857612 4.4489e-08  
a 2.355531973714889 1.0735e-08 au
q 1.895650287400877 1.0685e-07 au
i 6.841353287112924 4.7044e-06 deg
node 84.41280927702151 5.2046e-05 deg
peri 342.8215045541986 5.4365e-05 deg
M 216.7093487961849 1.6778e-05 deg
tp 2459126.090235227925
(2020-Oct-03.59023523)
6.309e-05 TDB
period 1320.480318097788
3.62
9.0272e-06
2.472e-08
d
yr
n .2726280695486596 1.8638e-09 deg/d
Q 2.815413660028901 1.2831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      9703 days (26.57 yr)  
   first obs. used      1991-10-18  
   last obs. used      2018-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60348  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 00:38:42  

Additional Information
 Earth MOID = .910757 au 
 Jupiter MOID = 2.48531 au 
 T_jup = 3.519 
[ 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 15.5   n/a MPO436128  
diameter diameter 2.483 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49282 (1998 UA24)          Discovered 1998-Oct-17 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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