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49288 (1998 UD33)
Classification: Main-belt Asteroid          SPK-ID: 2049288
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015072015560748 3.3631e-08  
a 2.297752331090436 8.2284e-09 au
q 2.064513922092499 7.7816e-08 au
i 5.539162173871318 3.7693e-06 deg
node 260.9062472412265 3.7469e-05 deg
peri 123.1359664806568 4.244e-05 deg
M 317.8391804155068 1.8398e-05 deg
tp 2458749.490917266266
(2019-Sep-22.99091727)
6.4971e-05 TDB
period 1272.193727362539
3.48
6.8337e-06
1.871e-08
d
yr
n .2829757703226046 1.52e-09 deg/d
Q 2.530990740088374 9.0636e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      7723 days (21.14 yr)  
   first obs. used      1998-10-12  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:18:33  

Additional Information
 Earth MOID = 1.07397 au 
 Jupiter MOID = 2.87284 au 
 T_jup = 3.581 
[ 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 15.2   n/a MPO452840  
diameter diameter 2.320 km 0.668 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.360   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49288 (1998 UD33)          Discovered 1998-Oct-28 by LINEAR at Socorro
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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