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101387 (1998 UE28)
Classification: Main-belt Asteroid          SPK-ID: 2101387
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2945518972127514 3.2754e-08  
a 2.562771945941951 1.2572e-08 au
q 1.807902607141134 8.1885e-08 au
i 12.696440869076 3.8405e-06 deg
node 225.0980280071466 2.5086e-05 deg
peri 183.9489667263256 2.8486e-05 deg
M 87.6811533274015 1.632e-05 deg
tp 2458635.521634709930
(2019-Jun-01.02163471)
6.5822e-05 TDB
period 1498.522846908806
4.10
1.1026e-05
3.019e-08
d
yr
n .2402365774686838 1.7677e-09 deg/d
Q 3.317641284742767 1.6275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1998-10-19  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52398  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:59:23  

Additional Information
 Earth MOID = .818257 au 
 Jupiter MOID = 2.08201 au 
 T_jup = 3.339 
[ 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 15.2   n/a MPO432541  
diameter diameter 4.285 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101387 (1998 UE28)          Discovered 1998-Oct-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 UE28 = 2002 TJ114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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